Table 1

Demographic and clinical characteristics of patients who did and did not require joint surgery before 15 years

SurgeryAge (y)Sex M:FDisease duration (y)Age at disease onset (y)HAQDMARDESR (mm 1st hr)
Yes (n=65)59 (51–68)15:50 **15 (10–17)43 (37–54) *2.4 (2–2.6)3 (2–5) **52.5 (31–76)
No (n=65)63 (58–69)11:5420 (18–24)41 (34–48)2 (1.5–2.5)2 (1–4)25.5 (15–43)
  • Median values are shown with interquartile ranges given in parentheses. M = male; F = female; HAQ = Health Assessment Questionnaire; DMARD = disease modifying anti-rheumatic drugs; ESR = erythrocyte sedimentation rate. ** p < 0.001, * p < 0.01.