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Comparison of baseline data (x̅ ± s)/[n (%)]
| Control group (n=40) | Study group (n=40) | t/χ2 | P | |
|---|---|---|---|---|
| Gender | 0.205 | 0.651 | ||
| Male | 18 (45.0) | 16 (40.0) | ||
| Female | 22 (55.0) | 24 (60.0) | ||
| Mean age (years) | 65.32±5.42 | 64.79±5.36 | 0.152 | 0.725 |
| Duration of disease (years) | 21.02±2.34 | 20.98±2.26 | 0.090 | 0.132 |
| Location | 0.503 | 0.478 | ||
| Left knee | 28 (70.0) | 25 (62.5) | ||
| Right knee | 12 (30.0) | 15 (27.5) | ||
| Grading | 0.222 | 0.895 | ||
| Grade II | 5 (12.5) | 6 (15.0) | ||
| Grade III | 10 (25.0) | 11 (27.5) | ||
| Grade IV | 25 (62.5) | 23 (57.5) |
