1.Association between dietary diversity and cognitive function among the elderly based on group-based trajectory model
DONG Chunling ; WANG Chong ; GUAN Tianyuan ; LIU Yue ; LI Xueying ; ZHANG Yuhai
Journal of Preventive Medicine 2025;37(9):865-869
Objective:
To analyze the association between dietary diversity and cognitive function among the elderly using group-based trajectory model, so as to provide the basis for formulating dietary intervention strategies to prevent cognitive impairment.
Methods:
Based on the Chinese Longitudinal Healthy Longevity Survey (CLHLS) project, demographic information, lifestyle behaviors, psychological well-being, and activities of daily living of elderly individuals aged ≥65 years from 2008 to 2018 were collected. Dietary diversity was assessed using a food frequency questionnaire, with a score of <7 points defined as low dietary diversity. Cognitive function was evaluated using the Chinese version of the Mini-Mental State Examination (MMSE). A group-based trajectory model was established based on cognitive function scores from 2008 to 2018 to analyze the trajectories of cognitive function change. The association between dietary diversity and cognitive function was analyzed using a multinomial logistic regression model.
Results:
A total of 1 613 individuals were collected, with a median age was 72.00 (interquartile range, 10.00) years. There were 810 males (50.22%) and 803 females (49.78%). The group-based trajectory model analysis categorized the participants into three groups: the low-level normal group, the high-level normal group, and the slow-then-rapid decline group, comprising 796 (49.35%), 585 (36.27%), and 232 (14.38%) individuals, respectively. Among these groups, the numbers of individuals with low dietary diversity were 497 (62.44%), 311 (53.16%), and 166 (71.55%), respectively, with a statistically significant difference (P<0.05). Multinomial logistic regression analysis showed that after adjusting for demographic information, lifestyle behaviors, psychological well-being, and activities of daily living, compared with the high-level normal group, low dietary diversity was statistically associated with cognitive function in the slow-then-rapid decline group (OR=1.622, 95%CI: 1.103-2.384).
Conclusion
Low dietary diversity may increase the risk of cognitive impairment among the elderly.
2.Construction of acupuncture-moxibustion diagnosis and treatment system for spasm syndrome based on the theory of three regions and sanjiao.
Yi LI ; Guirong DONG ; Chunling BAO ; Zhihua JIAO ; Hongsheng DONG ; Liang ZHOU ; Yingchao LIU
Chinese Acupuncture & Moxibustion 2025;45(12):1811-1814
Based on the theory of "three regions and sanjiao" in traditional Chinese medicine (TCM), the acupuncture-moxibustion differentiation and treatment system is explored and constructed for spasm syndrome, so as to provide a clearer guiding framework for TCM treatment of spasm syndrome. This disorder is caused essentially by the invasion of pathogenic wind, and located in brain marrow. The key regions of illness cover five zang organs and five tissues, and the core pathogenesis is associated with wind disturbance in brain marrow. In differentiation, spasm syndrome refers to overall transmission (from the upper to the lower) and local transmission (from exterior to interior). This disorder can be classified into sanjiao spasm (heart-lung spasm of the upper jiao, liver-spleen spasm of the middle jiao, and liver-kidney spasm of the lower jiao) and three-region spasm (skin-vessel spasm of the upper region, tendon-muscle spasm of the middle region, and tendon-bone spasm of the lower region). Based on "three regions and sanjiao" theory of acupuncture and moxibustion, 7 "expelling-wind" points can be selected in terms of the etiology of this disease. Baihui (GV20)-toward-Taiyang (EX-HN5) needling is applied to regulate the brain marrow, focusing on the core location of illness; and regarding the key location of illness, the combination of back-shu and front-mu points and that of jing-well and xing-spring points are adopted to regulate five zang organs. The five needling techniques (half needling, leopard-spot needling, joint needling, Hegu needling and shu needling) are used to regulate five tissues.
Humans
;
Acupuncture Therapy
;
Spasm/diagnosis*
;
Moxibustion
;
Acupuncture Points
;
Medicine, Chinese Traditional
;
Diagnosis, Differential
3.Relationship between blood glucose trajectory during intensive care unit stay and mortality in patients with sepsis-associated acute respiratory distress syndrome.
Yadi YANG ; Hanbing WANG ; Junzhu LIU ; Jingwen WU ; Li ZHOU ; Chunling JIANG
Chinese Critical Care Medicine 2025;37(10):924-930
OBJECTIVE:
To explore the association between blood glucose trajectories within 7 days of intensive care unit (ICU) admission and mortality in patients with sepsis-associated acute respiratory distress syndrome (ARDS).
METHODS:
Based on the MIMIC-IV database, sepsis-associated ARDS patients with daily blood glucose monitoring data within 7 days of ICU admission were selected. Blood glucose trajectories were analyzed using group-based trajectory modeling (GBTM), and the optimal number of groups was determined based on the minimum Akaike information criterion (AIC), Bayesian information criterion (BIC), average posterior probability (AvePP), odds of correct classification (OCC), and proportion of group membership (Prop). Baseline characteristics including demographics, comorbidities, severity scores, vital signs, laboratory indicators within the first 24 hours of ICU admission, and treatments were collected. Kaplan-Meier survival curves were used to compare 28-day and 1-year survival across trajectory groups. Multivariate Logistic regression was performed to evaluate the associations between glucose trajectory groups and in-hospital mortality, ICU mortality. The incidence of hypoglycemia within 7 days in the ICU was analyzed among different groups.
RESULTS:
A total of 3 869 patients with sepsis-associated ARDS were included, with a median age of 63.52 (52.13, 73.54) years; 59.6% (2 304/3 869) were male. Based on glucose levels within 7 days, patients were categorized into three groups: persistent hyperglycemia group (glucose maintained at 10.6-13.1 mmol/L, n = 894), moderate glucose group (7.8-8.9 mmol/L, n = 1 452), and low-normal glucose group (6.1-7.0 mmol/L, n = 1 523). There were statistically significant differences in 28-day mortality and 1-year mortality among low-normal glucose group, moderate glucose group, and persistent hyperglycemia group [28-day mortality: 11.42% (174/1 523), 19.83% (288/1 452), 25.50% (228/894), χ 2 = 82.545, P < 0.001; 1-year mortality: 23.31% (355/1 523), 33.75% (490/1 452), 39.49% (353/894), χ 2 = 77.376, P < 0.001]. Kaplan-Meier analysis showed that higher glucose trajectories were associated with significantly lower 28-day and 1-year cumulative survival rates (Log-rank test: χ 2 were 83.221 and 85.022, both P < 0.001). There were statistically significant differences in in-hospital mortality and ICU mortality among the low-normal glucose group, moderate glucose group, and persistent hyperglycemia group [in-hospital mortality: 9.65% (147/1 523), 19.70% (286/1 452), 24.50% (219/894), χ 2 = 102.020, P < 0.001; ICU mortality: 7.22% (110/1 523), 16.05% (233/1 452), 20.13% (180/894), χ 2 = 93.050, P < 0.001]. Logistic regression confirmed that, using the persistent hyperglycemia group as the reference, the low-normal glucose group had significantly lower risks of in-hospital mortality and ICU mortality after multiple factor adjustment. Although the moderate glucose group showed a trend toward lower mortality, the differences were not statistically significant. Using the moderate glucose group as a reference, the low-normal glucose group had 43.1% lower in-hospital mortality [odds ratio (OR) = 0.569, 95% confidence interval (95%CI) was 0.445-0.726, P < 0.001] and 42.0% lower ICU mortality (OR = 0.580, 95%CI was 0.439-0.762, P < 0.001). There was no statistically significant difference in the incidence of hypoglycemia within 7 days of ICU admission among low-normal glucose group, moderate glucose group, and persistent hyperglycemia group [2.82% (43/1 523), 2.69% (39/1 452), 3.02% (27/894), χ 2 = 0.226, P = 0.893].
CONCLUSIONS
Blood glucose trajectories during ICU stay are closely associated with prognosis in patients with sepsis-associated ARDS. Persistent hyperglycemia (10.6-13.1 mmol/L) is linked to significantly higher short- and long-term mortality.
Humans
;
Respiratory Distress Syndrome/etiology*
;
Sepsis/blood*
;
Intensive Care Units
;
Male
;
Female
;
Middle Aged
;
Blood Glucose/metabolism*
;
Hospital Mortality
;
Aged
4.Clinical application of transcutaneous electrical acupoint stimulation in postoperative analgesia
Qianqian TANG ; Yan XU ; Chunling JIANG ; Yansong LI
Chinese Journal of Integrated Traditional and Western Medicine in Intensive and Critical Care 2025;32(4):504-507
Postoperative acute pain can significantly hinder early postoperative recovery if inadequately managed,and may even progress to chronic postsurgical pain(CPSP).The current clinical practice primarily relies on multimodal analgesia strategies,with intravenous opioids being the cornerstone.Although effective in alleviating postoperative pain,the associated adverse effects of opioids have limited their widespread use.In recent years,with the development of integrative medicine combining Western and traditional Chinese medicine,numerous studies have demonstrated that incorporating transcutaneous electrical acupoint stimulation(TEAS)into multimodal analgesia protocols confers significant benefits for postoperative pain management.TEAS not only reduces postoperative pain and opioid consumption but also mitigates opioid-related side effects,thereby facilitating patient recovery.This review aims to provide a comprehensive overview of the analgesic mechanisms of TEAS,its application within multimodal analgesia for postoperative pain,and its potential to serve as a valuable reference for clinicians seeking to optimize postoperative pain management strategies.
5.The role of AKT inhibitors combined with Ruxolitinib in ameliorating myeloproliferative disorders in mice with CALR gene mutations
Liwei ZHANG ; Qigang ZHANG ; Mengchu JI ; Kunming QI ; Zhenyu LI ; Kailin XU ; Chunling FU
Chinese Journal of Hematology 2025;46(8):750-757
Objective:To investigate the combined therapeutic role of the AKT inhibitor MK2206 and Ruxolitinib in treating Myeloproliferative Neoplasms (MPN) driven by a calreticulin (CALR) gene mutation.Methods:① Murine bone marrow c-kit + cells were isolated by sacrificing mice and harvesting bone marrow from the femur, tibia, and ilium for subsequent c-kit + cell sorting. ② A CALR transplantation mouse model was established. GFP-tagged retroviral vectors containing either the CALR gene mutation or the migR1 control were constructed, packaged in Platinum-E cells, and used to transduce murine bone marrow c-kit + cells. These transduced cells were then transplanted into lethally irradiated female recipient mice via tail vein injection. ③ Following successful engraftment, the mice were randomly assigned to four treatment groups for intragastric administration. Complete blood counts were monitored periodically, and the spleen size and weight of transplanted mice were measured. ④ Flow cytometry was used to quantify the proportions of GFP + tumor cells, megakaryocytic lineage cells, and hematopoietic stem cells in both splenic and bone marrow tissues. Histopathological examination was performed to evaluate the degree of tumor cell infiltration in these organs. Results:① Following gavage treatment, peripheral blood platelet (PLT) and white blood cell counts were significantly lower in the combined AKT inhibitor MK2206 and Ruxolitinib group compared to the MK2206, Ruxolitinib, and control groups ( P<0.05). ② In comparison with the MK2206 and Ruxolitinib monotherapy groups, the combination therapy group exhibited a significant reduction in spleen weight and a marked improvement in splenomegaly at 30 weeks post-transplantation ( P<0.05). ③ After four weeks of continuous treatment, combined administration resulted in a significant decrease in the proportion of megakaryocytic lineage cells and GFP + tumor cells in the bone marrow and spleen ( P<0.05). Additionally, the proportion of hematopoietic stem cells in the bone marrow was also significantly reduced ( P<0.05). ④ Histopathological analysis (H&E staining) of bone marrow and spleen tissues confirmed that the combined regimen decreased both tumor cell infiltration and the proportion of abnormal megakaryocytes in these organs. Conclusion:The combination of AKT inhibitor MK2206 and Ruxolitinib is effective at significantly ameliorating disease symptoms and reducing tumor infiltration in vivo in mice with a myeloproliferative tumor transplantation driven by a CALR gene mutation.
6.Clinical characteristics and outcomes of elderly patients with stage Ⅰ diffuse large B-cell lymphoma: a study by the Jiangsu Cooperative Lymphoma Group (JCLG)
Yi XIA ; Jing HE ; Weiying GU ; Tao JIA ; Tingxun LU ; Yongle LI ; Jiahao ZHOU ; Bingzong LI ; Haiying HUA ; Ping LIU ; Yuqing MIAO ; Yuexin CHENG ; Xiaoyan XIE ; Yunping ZHANG ; Wenzhong WU ; Zhuxia JIA ; Xuzhang LU ; Chunling WANG ; Liang YU ; Min XU ; Jinning SHI ; Weifeng CHEN ; Wanchuan ZHUANG ; Zhen QIAN ; Jun QIAN ; Haiwen NI ; Yifei CHEN ; Qiudan SHEN ; Jianyong LI ; Wenyu SHI
Chinese Journal of Internal Medicine 2025;64(6):504-513
Objective:To summarize the clinical characteristics of elderly patients with stage Ⅰ diffuse large B-cell lymphoma (DLBCL) and analyze the factors associated with prognosis.Methods:A case series study was conducted by retrospectively collecting clinical data from patients aged over 60 years with newly diagnosed stage Ⅰ DLBCL across 20 medical centers in Jiangsu Province, China, between June 2010 and April 2023. The involved site, classification and treatment plan were summarized. The primary endpoints were progression-free survival (PFS) and overall survival (OS). Statistical analyses were performed using the Kaplan-Meier method, and Cox regression model.Results:The study included 255 patients with a median age of 69 years, of whom 130 (51.0%) were male, 66 (25.9%) were aged ≥75 years and 26 (10.1%) had a high Charlson Comorbidity Index (CCI) score of ≥2. Extranodal involvement was observed in 163 (63.9%) patients, with the stomach (37.4%, 61/163), intestine (19.0%, 31/163), testes (11.0%, 18/163), and breast (7.4%, 12/163) being the most frequently affected sites. The non-germinal center B-cell (non-GCB) subtype was prevalent in 63.7% of patients (142/223), with no significant difference between the nodal and extranodal groups ( P=0.681). Furthermore, 73.9% (184/249) and 11.7% (29/249) of patients received the R-CHOP (rituximab, cyclophosphamide, doxorubicin, vincristine, prednisone) and R-miniCHOP regimen, respectively. The overall 3-year PFS rate was 81.5%, and the 3-year OS rate was 85.6%. Patients aged ≥75 years ( HR=2.910, 95% CI 1.565-5.408, P=0.001) and/or with a CCI score ≥2 ( HR=2.324, 95% CI 1.141-4.732, P=0.020) had a significantly poorer PFS. Incorporating age ≥75 years and CCI score ≥2 into the stage-modified international prognostic index (sm-IPI) can better stratify the prognosis of elderly patients with stage Ⅰ DLBCL. The 3-year PFS rate was 48.7% in the high-risk group versus 85.7% in the low-risk group ( P<0.001). Conclusions:Our findings show that the elderly patients with stage Ⅰ DLBCL were predominantly characterized by extranodal involvement (particularly in the stomach and intestinal tract) and non-GCB subtype. Age ≥75 years and CCI ≥2 were identified as independent prognostic factors. The newly established sm-IPI-75-CCI incorporating these factors demonstrated superior prognostic discrimination compared to conventional risk assessment systems.
7.Correlations of sleep quality and architecture with heart rate variability in patients with stenoses of vertebrobasilar artery system and internal carotid artery system
Suisui MA ; Changming WEN ; Yanlu JIA ; Hui LI ; Mengya XU ; Xueqing CUI ; Shuning SUN ; Yaoheng ZHANG ; Haozhe YIN ; Chunling LIU
Chinese Journal of Neuromedicine 2025;24(4):362-369
Objective:To explore the correlations of sleep quality and architecture with heart rate variability (HRV) in patients with stenoses of vertebrobasilar artery system and internal carotid artery system.Methods:A retrospective study was performed; 72 patients with stenosis or occlusion of the head and neck arteries (not resulting in cerebral infarction) admitted to Department of Neurology, Second Affiliated Hospital of Zhengzhou University from June 2023 to June 2024 were chosen, including 33 patients with moderate-to-severe stenosis or occlusion of the vertebrobasilar system (VB group) and 39 patients with moderate-to-severe stenosis or occlusion of the internal carotid artery system (ICA group). Pittsburgh sleep quality index (PSQI) and polysomnography (PSG) were used to evaluate the sleep quality and architecture, respectively; and 24-hour ambulatory electrocardiogram was used to assess the HRV. Differences in PSQI score, PSG and HRV parameters between the two groups were compared; partial correlation analysis was used to explore the correlations of HRV parameters with PSQI scores and PSG parameters; multivariate linear regression was used to analyze the independent influencing factors for HRV.Results:(1) Compared with the ICA group, the VB group exhibited significantly higher PSQI scores, spontaneous arousal index (SAI), ratio of time of stage 1 non-rapid eye movement sleep/total sleep time (T N1/T t), and apnea-hypopnea index (AHI), while significantly lower ratio of time of rapid eye movement sleep/total sleep time (T R/T t), spindle wave density in stage 2 non-rapid eye movement sleep (N2), lowest blood oxygen saturation, standard deviation of normal to normal intervals (SDNN) of all sinus beats, low-frequency power (LF), and high-frequency power (HF, P<0.05). (2) In both VB group and ICA group, SDNN was negatively correlated with PSQI score ( r=-0.461, P=0.020; r=-0.378, P=0.036). In the VB group, SDNN was negatively correlated with T N1/T t ( r=-0.467, P=0.019) and SAI ( r=-0.551, P=0.004), and positively correlated with ratio of time of stage 3 non-rapid eye movement sleep/total sleep time (T N3/T t, r=0.686, P<0.001) and spindle wave density in N2 ( r=0.518, P=0.008); LF and HF were negatively correlated with SAI ( r=-0.481, P=0.015; r=-0.564, P=0.003). In the ICA group, HF was negatively correlated with spindle wave density in N2 ( r=-0.369; P=0.041). (3) Multivariate linear regression results indicated that T N3/T t (β=0.348, P=0.018), SAI (β=-0.330, P=0.018), and spindle wave density in N2 (β=0.286, P=0.013) were independent influencing factors for Ln_SDNN in patients with moderate-to-severe stenosis or occlusion of the vertebrobasilar system. Conclusion:Patients with stenosis or occlusion of the vertebrobasilar system exhibit poorer subjective sleep quality, increased light sleep, heightened arousal, and reduced sleep stability compared with those with stenosis or occlusion of the internal carotid artery system, which may be caused by the imbalance of autonomic nerve function.
8.Clinical application of transcutaneous electrical acupoint stimulation in postoperative analgesia
Qianqian TANG ; Yan XU ; Chunling JIANG ; Yansong LI
Chinese Journal of Integrated Traditional and Western Medicine in Intensive and Critical Care 2025;32(4):504-507
Postoperative acute pain can significantly hinder early postoperative recovery if inadequately managed,and may even progress to chronic postsurgical pain(CPSP).The current clinical practice primarily relies on multimodal analgesia strategies,with intravenous opioids being the cornerstone.Although effective in alleviating postoperative pain,the associated adverse effects of opioids have limited their widespread use.In recent years,with the development of integrative medicine combining Western and traditional Chinese medicine,numerous studies have demonstrated that incorporating transcutaneous electrical acupoint stimulation(TEAS)into multimodal analgesia protocols confers significant benefits for postoperative pain management.TEAS not only reduces postoperative pain and opioid consumption but also mitigates opioid-related side effects,thereby facilitating patient recovery.This review aims to provide a comprehensive overview of the analgesic mechanisms of TEAS,its application within multimodal analgesia for postoperative pain,and its potential to serve as a valuable reference for clinicians seeking to optimize postoperative pain management strategies.
9.The role of AKT inhibitors combined with Ruxolitinib in ameliorating myeloproliferative disorders in mice with CALR gene mutations
Liwei ZHANG ; Qigang ZHANG ; Mengchu JI ; Kunming QI ; Zhenyu LI ; Kailin XU ; Chunling FU
Chinese Journal of Hematology 2025;46(8):750-757
Objective:To investigate the combined therapeutic role of the AKT inhibitor MK2206 and Ruxolitinib in treating Myeloproliferative Neoplasms (MPN) driven by a calreticulin (CALR) gene mutation.Methods:① Murine bone marrow c-kit + cells were isolated by sacrificing mice and harvesting bone marrow from the femur, tibia, and ilium for subsequent c-kit + cell sorting. ② A CALR transplantation mouse model was established. GFP-tagged retroviral vectors containing either the CALR gene mutation or the migR1 control were constructed, packaged in Platinum-E cells, and used to transduce murine bone marrow c-kit + cells. These transduced cells were then transplanted into lethally irradiated female recipient mice via tail vein injection. ③ Following successful engraftment, the mice were randomly assigned to four treatment groups for intragastric administration. Complete blood counts were monitored periodically, and the spleen size and weight of transplanted mice were measured. ④ Flow cytometry was used to quantify the proportions of GFP + tumor cells, megakaryocytic lineage cells, and hematopoietic stem cells in both splenic and bone marrow tissues. Histopathological examination was performed to evaluate the degree of tumor cell infiltration in these organs. Results:① Following gavage treatment, peripheral blood platelet (PLT) and white blood cell counts were significantly lower in the combined AKT inhibitor MK2206 and Ruxolitinib group compared to the MK2206, Ruxolitinib, and control groups ( P<0.05). ② In comparison with the MK2206 and Ruxolitinib monotherapy groups, the combination therapy group exhibited a significant reduction in spleen weight and a marked improvement in splenomegaly at 30 weeks post-transplantation ( P<0.05). ③ After four weeks of continuous treatment, combined administration resulted in a significant decrease in the proportion of megakaryocytic lineage cells and GFP + tumor cells in the bone marrow and spleen ( P<0.05). Additionally, the proportion of hematopoietic stem cells in the bone marrow was also significantly reduced ( P<0.05). ④ Histopathological analysis (H&E staining) of bone marrow and spleen tissues confirmed that the combined regimen decreased both tumor cell infiltration and the proportion of abnormal megakaryocytes in these organs. Conclusion:The combination of AKT inhibitor MK2206 and Ruxolitinib is effective at significantly ameliorating disease symptoms and reducing tumor infiltration in vivo in mice with a myeloproliferative tumor transplantation driven by a CALR gene mutation.
10.Clinical characteristics and outcomes of elderly patients with stage Ⅰ diffuse large B-cell lymphoma: a study by the Jiangsu Cooperative Lymphoma Group (JCLG)
Yi XIA ; Jing HE ; Weiying GU ; Tao JIA ; Tingxun LU ; Yongle LI ; Jiahao ZHOU ; Bingzong LI ; Haiying HUA ; Ping LIU ; Yuqing MIAO ; Yuexin CHENG ; Xiaoyan XIE ; Yunping ZHANG ; Wenzhong WU ; Zhuxia JIA ; Xuzhang LU ; Chunling WANG ; Liang YU ; Min XU ; Jinning SHI ; Weifeng CHEN ; Wanchuan ZHUANG ; Zhen QIAN ; Jun QIAN ; Haiwen NI ; Yifei CHEN ; Qiudan SHEN ; Jianyong LI ; Wenyu SHI
Chinese Journal of Internal Medicine 2025;64(6):504-513
Objective:To summarize the clinical characteristics of elderly patients with stage Ⅰ diffuse large B-cell lymphoma (DLBCL) and analyze the factors associated with prognosis.Methods:A case series study was conducted by retrospectively collecting clinical data from patients aged over 60 years with newly diagnosed stage Ⅰ DLBCL across 20 medical centers in Jiangsu Province, China, between June 2010 and April 2023. The involved site, classification and treatment plan were summarized. The primary endpoints were progression-free survival (PFS) and overall survival (OS). Statistical analyses were performed using the Kaplan-Meier method, and Cox regression model.Results:The study included 255 patients with a median age of 69 years, of whom 130 (51.0%) were male, 66 (25.9%) were aged ≥75 years and 26 (10.1%) had a high Charlson Comorbidity Index (CCI) score of ≥2. Extranodal involvement was observed in 163 (63.9%) patients, with the stomach (37.4%, 61/163), intestine (19.0%, 31/163), testes (11.0%, 18/163), and breast (7.4%, 12/163) being the most frequently affected sites. The non-germinal center B-cell (non-GCB) subtype was prevalent in 63.7% of patients (142/223), with no significant difference between the nodal and extranodal groups ( P=0.681). Furthermore, 73.9% (184/249) and 11.7% (29/249) of patients received the R-CHOP (rituximab, cyclophosphamide, doxorubicin, vincristine, prednisone) and R-miniCHOP regimen, respectively. The overall 3-year PFS rate was 81.5%, and the 3-year OS rate was 85.6%. Patients aged ≥75 years ( HR=2.910, 95% CI 1.565-5.408, P=0.001) and/or with a CCI score ≥2 ( HR=2.324, 95% CI 1.141-4.732, P=0.020) had a significantly poorer PFS. Incorporating age ≥75 years and CCI score ≥2 into the stage-modified international prognostic index (sm-IPI) can better stratify the prognosis of elderly patients with stage Ⅰ DLBCL. The 3-year PFS rate was 48.7% in the high-risk group versus 85.7% in the low-risk group ( P<0.001). Conclusions:Our findings show that the elderly patients with stage Ⅰ DLBCL were predominantly characterized by extranodal involvement (particularly in the stomach and intestinal tract) and non-GCB subtype. Age ≥75 years and CCI ≥2 were identified as independent prognostic factors. The newly established sm-IPI-75-CCI incorporating these factors demonstrated superior prognostic discrimination compared to conventional risk assessment systems.


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