Objective To explore the factors affecting social frailty in elderly patients with mild ischemic stroke and conduct interpretable analysis to provide references for the implementation of targeted intervention.Methods Using convenience sampling method,elderly mild ischemic stroke patients treated in a tertiary A hospital in Tangshan from September 2022 to August 2023 were selected as the survey subjects according to whether social weakness and no social weakness occurred 6 months after discharge.General Information Questionnaire,Chronic Illness Resources Survey,Family Care Index Questionnaire,Instrumental Activities of Daily Living Scale,Mini-Mental State Examination,International Physical Activity Questionnaire Short Form,and Social Frailty Scale were uesd to investigate.Univariate analysis,random forest-feature recurrence elimination screening variables were used to construct random forest models,and SHAP values were introduced for influencing factor analysis.Results A total of 818 elderly patients with mild ischemic stroke were included,and 110 patients were lost at 6 months,and 708 patients(86.55％)finally completed the survey.The prediction accuracy of random forest model was 0.828 and 0.807 in the training set and test set.The SHAP interpretability analysis results showed that impaired self-care ability,sedentary behavior,and the number of combined chronic diseases were positively associated with social weakness,ideal utilization of chronic disease resources,good family care and social weakness;the importance of characteristics was self-care ability,chronic disease resource utilization,family care,sedentary behavior,and combined chronic diseases.Conclusion The influencing factors of social frailty in elderly patients with mild ischemic stroke are complex,so medical staff should pay attention to the social function of elderly patients with mild ischemic stroke,and reduce the risk of social frailty by formulating personalized intervention measures.

Objective To explore the factors affecting social frailty in elderly patients with mild ischemic stroke and conduct interpretable analysis to provide references for the implementation of targeted intervention.Methods Using convenience sampling method,elderly mild ischemic stroke patients treated in a tertiary A hospital in Tangshan from September 2022 to August 2023 were selected as the survey subjects according to whether social weakness and no social weakness occurred 6 months after discharge.General Information Questionnaire,Chronic Illness Resources Survey,Family Care Index Questionnaire,Instrumental Activities of Daily Living Scale,Mini-Mental State Examination,International Physical Activity Questionnaire Short Form,and Social Frailty Scale were uesd to investigate.Univariate analysis,random forest-feature recurrence elimination screening variables were used to construct random forest models,and SHAP values were introduced for influencing factor analysis.Results A total of 818 elderly patients with mild ischemic stroke were included,and 110 patients were lost at 6 months,and 708 patients(86.55％)finally completed the survey.The prediction accuracy of random forest model was 0.828 and 0.807 in the training set and test set.The SHAP interpretability analysis results showed that impaired self-care ability,sedentary behavior,and the number of combined chronic diseases were positively associated with social weakness,ideal utilization of chronic disease resources,good family care and social weakness;the importance of characteristics was self-care ability,chronic disease resource utilization,family care,sedentary behavior,and combined chronic diseases.Conclusion The influencing factors of social frailty in elderly patients with mild ischemic stroke are complex,so medical staff should pay attention to the social function of elderly patients with mild ischemic stroke,and reduce the risk of social frailty by formulating personalized intervention measures.

Objective To investigate the residential radon concentration in typical areas of Hubei Province and assess the dose hazards of radon to human body. Methods According to geographical location, five cities including Wuhan, Enshi, Shiyan, Xianning and Daye were selected, and the stratified cluster sampling and monitoring were conducted in accordance with the residential building structure. From April to July, 2019, RSKS standard detectors were placed in the bedroom or living room of the tested families. After continuously sampling for three months, those detectors were returned back to the laboratory for test readings using Radosys system. Results A total of 651 detectors were deployed in 577 households of 70 communities, and 634 detectors were recovered. The recovery rate of detectors was 97.4%. The indoor residential radon concentration in Hubei Province showed a logarithmic normal distribution, with a median (25% quantile and 75% quantile) of 40.52 (29.13,64.74) Bq/m3 and an annual effective dose of 2.02 mSv. The indoor radon concentrations in Wuhan and Enshi were significantly higher than those in Shiyan, Xianning and Daye (P<0.05). The indoor radon concentrations in brick wood or civil structures were significantly higher than those in reinforced concrete structures (P<0.05), and indoor radon concentration in the first floor was significantly higher than those in other floors (P<0.05). The indoor radon concentrations after 2010 were significantly lower than those between 2001 and 2010 (P<0.05). Conclusion The number of households with indoor radon concentrations exceeding the national limit in newly-built buildings accounted for 10.1%; The indoor residential radon concentration levels of in Hubei Province were influenced by building structure, age and floor.

OBJECTIVETo investigate the main diseases jeopardizing the health of the iron miners and to explore the relationship between dust exposure and malignancies as well as other diseases.

METHODSA retrospective study with a cohort of 7,469 workers employed between January 1, 1972 and December 31, 1974 in Daye Iron Ore Mine Co. in Hubei Province was conducted. Standardized mortality ratio (SMR) was calculated for the main causes of death using Chinese national mortality rates for reference.

RESULTSAll subjects were followed up through December 31, 2003 with an accumulation of 199, 108.0 person years. A total of 1,752 workers died. The cumulative mortality was 23.5%. The cancers, cerebrovascular diseases, non-malignant respiratory diseases and cardiovascular diseases were main diseases that threatened workers' life span. The SMR for all subjects was a little higher than expected based on the Chinese national mortality rates. The diseases causing the significantly higher death rate were the nasopharynx cancer, liver cancer, lung cancer, pneumoconiosis and accident with SMR 1.84, 1.51, 1.83, 14.94 and 1.25 respectively. Increased mortality was observed among dust-exposed workers in the cohort. The cumulative mortality from all causes such as stomach cancer, lung cancer, nonmalignant respiratory diseases, cardiovascular diseases and accident in dust exposed workers were significantly increased compared with those in non-exposure workers with RR 1.35, 1.83, 1.61, 2.27, 1.34 and 1.69 respectively.

CONCLUSIONThe risk factors especially dust exposure affect the health and lifespan of the iron mine workers.

Adult ; Cardiovascular Diseases ; mortality ; Cause of Death ; China ; epidemiology ; Cohort Studies ; Dust ; Female ; Humans ; Iron ; Male ; Middle Aged ; Mining ; Neoplasms ; mortality ; Occupational Exposure ; adverse effects ; Respiratory Tract Diseases ; mortality ; Retrospective Studies ; Risk Factors ; Stroke ; mortality