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Table 4 Prevalence of spondyloarthropathy in China

From: Rheumatic Diseases in China

Site of survey [ref.] Location Age (Years) Ethnic Time Number Prevalence (%)
       AS PsA ReA uSpA
Taiwan [4] Island ≥17 Han 1974 5,629 0.2    
Beijing [9] Rural ≥20 Han 1987 4,192 0.26    
Beijing [31] Urban ≥16 Han 1999 1,982 0.3 0.10   1.21
Taiyuan [40] Urban ≥16 Han 2004 3,915 0.2 0.05   0.64
Shandong [25] Rural ≥16 Han 1996 5,055 0.22 0.04 0.02  
Shanghai [3] Urban ≥16 Han 1992 2,010 0.20    
Taiwan [19] Urban ≥20 Han 1992 3,000 0.4    
Taiwan [19] Suburban ≥20 Han 1992 3,000 0.19    
Taiwan [19] Rural ≥20 Han 1992 2,998 0.54    
Shantou [8] Rural ≥16 Han 1985 10,647 0.20    
Shantou [9] Rural ≥20 Han 1987 5,058 0.26    
Shantou [23] Urban ≥16 Han 1995 2,040 0.2    
Shantou [30] Suburban ≥16 Han 1999 2,029 0.3 0.05   1.0
Military [35] 15 provinces 17 to 40a 11 ethnics 2000 20,068 0.24    
Heilongjiang [12] Mountain ≥18 H and Mac 1989 2,311 0.09    
Changchun [6] Factory ≥20b H and Mac 1980 36,097 0.06 0.01   
Ningxia [14] Highland ≥18 H and Mud 1990 10,420 0.10    
  1. aAll male. bMale > female. cHan and Manchu. dHan and Muslin. AS, ankylosing spondylitis; PsA, psoriatic arthritis; ReA, reactive arthritis; uSpA, undifferentiated spondyloarthropathy.
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Arthritis Research & Therapy

ISSN: 1478-6362

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