Table 1

Demographic and disease characteristics of study subjects at first clinic visit

Disease characteristicsPatients included in study of hand jointsPatients included in study of foot joints
Total no of patients511552
Age, years, median (range)41 (14–86)41 (14–79)
Duration of psoriasis, years, median (range)10.6 (0–69.7)10.4 (0–60.4)
Duration of psoriatic arthritis, years, median (range)2.9 (0–47.3)3.2 (0–47.3)
No of actively inflamed hand/foot joints, median (range)2 (0–30)2 (0–22)
No of swollen hand/foot joints, median (range)0 (0–23)0 (0–17)