Table 1 Comparisons of demographics of patients in each group
Group 1 (n = 276) | Group 2 (n = 152) | Group 3 (n = 38) | p value | |
|---|---|---|---|---|
Mean ± SD | Mean ± SD | Mean ± SD | ||
Age (years) | 63.8 ± 4.7 | 63.6 ± 5.7 | 63.9 ± 5.3 | 0.854 |
Gender (female/male) | 169:107 | 94:58 | 28:10 | 0.326 |
Pre-range of motion | 118.4 ± 7.0° | 112.1 ± 10.6° | 109.4 ± 8.9° | 0.001 |
Post-range of motion | 125.8 ± 6.6° | 124.3 ± 5.9° | 123.5 ± 6.4° | 0.001 |
Pre-knee alignment (varus) | 5.2 ± 2.1° | 6.6 ± 2.2° | 9.7 ± 2.6° | 0.001 |
Post-knee alignment (varus) | 0.6 ± 1.6° | 0.8 ± 1.5° | 1.2 ± 1.7° | 0.222 |
Pre-KSS | 63.7 ± 4.8 | 60.8 ± 5.9 | 56.8 ± 6.4 | 0.001 |
Post-KSS | 89.7 ± 3.4 | 88.4 ± 4.1 | 87.5 ± 3.1 | 0.001 |
Outliers | 10/276 | 6/152 | 3/38 | 0.457 |