Table 1 Baseline demographic characteristics of patients with osteoarthritis of the knee, by study group a
Variables | Baseline sample | Final sample | ||||
|---|---|---|---|---|---|---|
SBCG1 | SBCG2 | Sig.b | SBCG1 | SBCG2 | Sig.b | |
N | 36 | 37 | 25 | 26 | ||
Age, y | 55.22 ± 9.75 | 54.59 ± 8.98 | 0.775 | 54.44 ± 9.34 | 53.81 ± 8.61 | 0.802 |
BMI kg/cm2 | 31.14 ± 4.86 | 31.98 ± 4.57 | 0.453 | 31.66 ± 5.24 | 32.44 ± 4.62 | 0.579 |
Female | 88.9 | 78.4 | 0.226 | 92.0 | 80.8 | 0.244 |
Location and grade* of OA | ||||||
Left knee: Grade II | 19.4 | 19.4 | 0.858 | 24.0 | 24.0 | 1.000 |
Grade III | 50.0 | 55.6 | 48.0 | 48.0 | ||
Grade IV | 30.6 | 25.0 | 28.0 | 28.0 | ||
Right knee: Grade II | 19.4 | 16.2 | 0.843 | 24.0 | 19.2 | 0.893 |
Grade III | 50.0 | 56.8 | 48.0 | 53.8 | ||
Grade IV | 30.6 | 27.0 | 28.0 | 26.9 | ||