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Table 1 Association of Sharp/van der Heijde score and disease duration

From: Contribution for new genetic markers of rheumatoid arthritis activity and severity: sequencing of the tumor necrosis factor-alpha gene promoter

 

Disease duration

Sharp/van der Heijde score

≤10 years

>10 years

≤110

121 (38.3%)

65 (20.6%)

>110

38 (12.0%)

92 (29.1%)

  1. P value of χ2 test is less than 0.001.