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Table 1 Demographic characteristics of AS patient visiting the First Affiliated Hospital of Anhui University of Chinese Medicine in Hefei, China, from January 2014 to December 2019

From: Exposure-lag-response associations between weather conditions and ankylosing spondylitis: a time series study

 

Number of cases

Percentage (%)

Outpatient

7058

 

Age, years (Mean ± SD)

37.44 ± 12.06

 0–64 years

6834

96.83

 65 + years

224

3.17

Gender

 Male

4981

70.57

 Female

2077

29.43

Season

 Spring (Mar–May)

1973

27.95

 Summer (Jun–Aug)

1882

26.66

 Autumn (Sep–Nov)

1643

23.28

 Winter (Dec–Feb)

1560

22.11