Table 1.
Intraobserver reliability: intra-class correlation coefficients (ICC) for the operative and nonoperative limbs
| mLDFA ICC (CI) | mMPTA ICC (CI) | MAD ICC (CI) | Tibial slope ICC (CI) | |
|---|---|---|---|---|
| Operative limb | ||||
| Rater 1 | 0.93 (0.88 to 0.96) | 0.94 (0.90 to 0.97) | 0.95 (0.91 to 0.97) | 0.68 (0.25 to 0.88) |
| Rater 2 | 0.49 (0.07 to 0.74) | 0.85 (0.77 to 0.94) | 0.98 (0.97 to 0.99) | 0.95 (0.82 to 0.98) |
| Rater 3 | 0.90 (0.86 to 0.98) | 0.96 (0.93 to 0.98) | 0.99 (0.99 to 0.99) | 0.92 (0.82 to 0.97) |
| Nonoperative limb | ||||
| Rater 1 | 0.94 (0.85 to 0.97) | 0.94 (0.88 to 0.98) | 0.93 (0.84 to 0.97) | |
| Rater 2 | 0.27 (-0.16 to 0.47) | 0.88 (0.73 to 0.95) | 0.97 (0.91 to 0.98) | |
| Rater 3 | 0.87 (0.70 to 0.95) | 0.97 (0.84 to 0.99) | 0.99 (0.97 to 1.00) |
mLDFA, mechanical lateral distal femoral angle; CI, confidence interval; mMPTA, mechanical medial proximal tibial angle; MAD, mechanical axis deviation