Table 2 Demographic baseline data
From: Staged replacement of both hips and both knees in patients with rheumatoid arthritis
Variable | Demographics of patients |
|---|---|
Age (years)a | 47.2 (26–79) |
Sex | |
Male | 3 (10%) |
Female | 27 (90%) |
Height (cm)a | 153.8 (135–168) |
Weight (kg) | 49.7 (34–75) |
Body mass index (kg/m2)a | 21 (14.5–33.3) |
Disease duration (years)a | 16 (1–43) |
Operation interval (months) b | 27 (1–112) |
Follow-up (months) | 84 (24–156) |