Baseline demographics of the study population
| Variable | All patients who completed the initial 3 y study (n = 139) | Patients lost during the 5 y follow up (n = 13) | Patients included in the 5 y follow up analysis (n = 126) | |||
|---|---|---|---|---|---|---|
| Values are mean (SD) or n (%). | ||||||
| y, years. | ||||||
| Women | 97 (70%) | 9 (69%) | 88 (70%) | |||
| Age (years) | 64.5 (6.9) | 69.4 (8.0) | 64.7 (7.0) | |||
| Body mass index (kg/m2) | 27.3 (2.8) | 26.5 (2.5) | 27.3 (2.8) | |||
| Mean joint space width (mm) | 5.4 (1.3) | 5.4 (1.3) | 5.4 (1.3) | |||
| Minimum joint space width (mm) | 3.9 (1.2) | 3.9 (1.3) | 4.0 (1.2) | |||