Table 1 Baseline demographic and clinical characteristics of treatment groups
| Â | Topical diclofenac (n = 107) | Vehicle control (n = 109) |
|---|---|---|
Age (years) | 65.0 (11.0) | 64.6 (10.9) |
Women, number (%) | 56 (52.3) | 66 (60.6) |
Race/ethnicity, number (%) | Â | Â |
   White | 88 (82.2) | 91 (83.5) |
   Black | 8 (7.5) | 3 (2.8) |
   Oriental | 3 (2.8) | 2 (1.8) |
   Other | 8 (7.5) | 13 (11.9) |
Weight (kg) | 89.9 (18.1) | 86.5 (17.3) |
Height (m) | 1.65 (0.11) | 1.65 (0.10) |
Heart rate (bpm) | 74.1 (10.0) | 74.3 (9.1) |
Systolic blood pressure (mm Hg) | 137.6 (16.3) | 133.6 (15.6) |
Diastolic blood pressure (mm Hg) | 81.4 (9.1) | 79.7 (8.7) |
Total x-ray score* | 7.7 (5.4) | 7.0 (5.0) |
Screening pain score | 8.2 (2.7) | 8.3 (3.0) |
Baseline†pain score | 13.0 (3.2) | 12.8 (3.1) |
Baseline†physical function score | 40.7 (11.9) | 40.4 (11.2) |
Baseline†stiffness score | 5.2 (1.5) | 5.2 (1.5) |
Patient global assessment score‡ | 3.1 (0.8) | 3.2 (0.8) |
Participants treating two knees at baseline, number (%) | 64 (59.8) | 70 (64.2) |
Participants treating two knees at final, number (%) | 84 (78.5) | 89 (81.7) |