Table 1.
Baseline characteristics and demographics.
| Parameter | PBS (N = 535) | Gel-200 (N = 649) |
|---|---|---|
| Gender | ||
| Male | 224 (41.9) | 281 (43.3) |
| Female | 311 (58.1) | 368 (56.7) |
| Age, years (mean ± SD) | 60.0 ± 9.47 | 59.9 ± 9.60 |
| K-L grade | ||
| Grade 1 | 129 (24.1) | 134 (20.6) |
| Grade 2 | 211 (39.4) | 255 (39.3) |
| Grade 3 | 195 (36.4) | 260 (40.1) |
| Body mass index, kg/m2 (mean ± SD) | 28.8 ± 3.90 | 28.5 ± 4.17 |
| Baseline WOMAC pain subscore, mm (mean ± SD) | 61.89 ± 15.51 | 64.22 ± 15. 89 |
Abbreviations: K-L, Kellgrean-Lawrence; WOMAC, Western Ontario and McMaster Universities Arthritis Index.
No statistically significant differences were identified between treatment groups.