Seasonal distribution of patient hospitalization due to asthma exacerbation in 7 geographic areas in China.

J T Lin; B Xing; H P Tang; L Yang; Y D Yuan; Y H GU; P Chen; X J Liu; J Zhang; H G Liu; C Z Wang; W Zhou; D J Sun; Y Q Chen; Z C Chen; M Huang; Q C Lin; C P HU; X H Yang; J M Huo; X W YE; X Zhou; P Jiang; W Zhang; Y J Huang; L M Dai; R Y Liu; S X Cai; J Y XU; J Y Zhou

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Seasonal distribution of patient hospitalization due to asthma exacerbation in 7 geographic areas in China.

Author: J T LIN ¹ ; B XING ¹ ; H P TANG ² ; L YANG ³ ; Y D YUAN ⁴ ; Y H GU ⁵ ; P CHEN ⁶ ; X J LIU ⁷ ; J ZHANG ⁸ ; H G LIU ⁹ ; C Z WANG ¹⁰ ; W ZHOU ¹¹ ; D J SUN ¹² ; Y Q CHEN ¹³ ; Z C CHEN ¹⁴ ; M HUANG ¹⁵ ; Q C LIN ¹⁶ ; C P HU ¹⁷ ; X H YANG ¹⁸ ; J M HUO ¹⁹ ; X W YE ²⁰ ; X ZHOU ²¹ ; P JIANG ²² ; W ZHANG ²³ ; Y J HUANG ²⁴ ; L M DAI ²⁵ ; R Y LIU ²⁶ ; S X CAI ²⁷ ; J Y XU ²⁸ ; J Y ZHOU ²⁹
Author Information

1. Department of Pulmonary and Critical Care Medicine, China-Japan Friendship Hospital, Beijing 100029, China.
2. Department of Respiration, Qingdao Municipal Hospital, Qingdao 266000, China.
3. Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China.
4. Department of Respiration, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, China.
5. Department of Respiration, Qinghai People's Hospital, Xining 810007, China.
6. Department of Respiratory Diseases, The General Hospital of Shenyang Military, Shenyang 110016, China.
7. Department of Respiration, The First Affiliated Hospital of Lanzhou University, Lanzhou 730000, China.
8. Department of Pulmonary and Critical Care Medicine, The Second Hospital of Jilin University, Changchun 130041, China.
9. Department of Respiration, Tongji Hospital, Wuhan 430030, China.
10. Department of Respiration, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, China.
11. Department of Respiration, General Hospital of Ningxia Medical University, Yinchuan 750004, China.
12. Department of Pulmonary and Critical Care Medicine, Inner Mongolia People's Hospital, Hohhot 010017, China.
13. Department of Respiration, The First Affiliated Hospital of Guangxi Medical University, Nanning 530021, China.
14. Department of Respiration, Henan Provincial People's Hospital, Zhengzhou 450003, China.
15. Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital with Nanjing Medical University, Nanjing 210029, China.
16. Department of Respiration, The First Affiliated Hospital of Fujian Medical University, Fuzhou 350005, China.
17. Department of Respiration, Xiangya Hospital, Changsha 410008, China.
18. Department of Pulmonary and Critical Care Medicine, People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi 830001, China.
19. Department of Respiration, The First Affiliated Hospital of Harbin Medical University, Harbin 150081, China.
20. Department of Respiration, Guizhou Provicial People's Hospital, Guiyang 550002, China.
21. Department of Respiration, Shanghai Center Hospital, Shanghai 200025, China.
22. Department of Respiration, Tianjin First Center Hospital, Tianjin 300192, China.
23. Department of Respiration, The First Affiliated Hospital of Nanchang University, Nanchang 330006, China.
24. Department of Respiration, Hainan Provincial People's Hospital, Haikou 570311, China.
25. Department of Respiration, Kunming General Hospital of the People's Liberation Army, Kunming 650032, China.
26. Department of Respiration, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China.
27. Department of Respiration, Nanfang Hospital, Guangzhou 510515, China.
28. Department of Respiration, Shanxi Dayi Hospital, Taiyuan 030032, China.
29. Department of Respiration, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310003, China.
Publication Type:Journal Article
Keywords: Asthma; Geography; Inpatient; Seasonal distribution
MeSH: Asthma; China/epidemiology*; Hospitalization/statistics & numerical data*; Humans; Retrospective Studies; Seasons
From: Chinese Journal of Epidemiology 2018;39(11):1477-1481
CountryChina
Language:Chinese
Abstract: Objective: To understand the seasonal distribution of patient hospitalization due to asthma exacerbation in 7 geographic areas in China. Methods: This was a retrospective study which involved patients hospitalized for asthma exacerbation in 29 hospitals throughout 7 geographic areas in the mainland of China (northeast, north, central, east, south, northwest and southwest). The numbers of asthmatic patients and total inpatients of the respiratory department of each hospital were recorded. The monthly ratio of asthmatic patients to the total inpatients in every area was calculated and compared. Results: During the study period, 6 480 patients were admitted for asthma exacerbation, accounting for 3.14% of all the 206 135 patients admitted to the respiratory departments in the 29 hospitals. The ratio of asthmatic patients to total inpatients in the northeast area (5.61%) was highest, and the ratio in east area was lowest (1.97%). Statistical analysis showed that the difference among different areas was significant (P<0.000 1). In most areas, both the number and proportion of hospitalized asthmatic patients peaked in spring (February-April) and autumn (September-October). In the northeast area, east area and south area, the peaks in spring were more obvious, while in the north area and southwest area, the peaks in autumn were more obvious. In the northwest area the peaks occurred in winter (December-January) and summer (June-August), respectively. The differences in hospitalization due to asthma among different months were significant in the northeast, north, and southwest areas (P<0.005). Conclusion: The number of patients hospitalized for asthma exacerbation fluctuated with season in different areas in China. In most areas, more asthmatic patients were admitted to hospitals in spring and autumn.