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Seasonal distribution of patient hospitalization due to asthma exacerbation in 7 geographic areas in China / 中华流行病学杂志
Chinese Journal of Epidemiology ; (12): 1477-1481, 2018.
Article in Chinese | WPRIM | ID: wpr-738171
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.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Observational study Language: Chinese Journal: Chinese Journal of Epidemiology Year: 2018 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Observational study Language: Chinese Journal: Chinese Journal of Epidemiology Year: 2018 Type: Article