Table 6.
Postoperative Subgroups of Radiographic Measures.
| Number of Cases | Average WOMAC Total | Average Change in WOMAC Total | |
|---|---|---|---|
| Femorotibial angle | |||
| <173 (valgus) | 78 | 13.36 | 22.69 |
| 173-178 (neutral) | 82 | 11.84 | 22.04 |
| >178 (varus) | 14 | 13.31 | 21.84 |
| ANOVA F score (P value) | 0.270 (P = .764) | 0.025 (P = .975) | |
| aMPTA | |||
| <90 (varus) | 32 | 12.36 | 22.18 |
| >90 (valgus) | 142 | 12.70 | 22.34 |
| Student t test (P value) | .896 | .967 | |
| aLDFA | |||
| <82 (valgus) | 4 | 16.58 | 30.15 |
| 82-86 (neutral) | 46 | 8.90 | 26.04 |
| >86 (varus) | 124 | 13.90 | 20.68 |
| ANOVA F score (P value) | 2.537 (P = .082) | 1.540 (P = .217) | |
Abbreviations: aLDFA, anatomical lateral distal femoral angle; aMPTA, anatomical medial proximal tibial angle; ANOVA, analysis of variance; WOMAC, Western Ontario and McMaster Universities Arthritis Index.