Table 5.
Mean, mean difference, and mean absolute deviation for the actual values observed by the radiologist and the values measured by the system.
| Parameter | Mean (standard deviation, SD) | Ours vs. Radiologist | ||
|---|---|---|---|---|
| Ours | Radiologist | Mean difference ± SD (95% CI) | MAD (95% CI) | |
| mLPFA (°) | 94.5 (± 5.30) | 94.9 ( ± 5.22) | − 0.43 ± 0.81 (− 2, 1.2) | 0.39 (0.34, 0.45) |
| mLDFA (°) | 87.6 (± 2.53) | 87.8 (± 2.57) | 0.13 ± 0.62 (− 1.3, 1.1) | 0.29 (0.25, 0.32) |
| mMPTA (°) | 89.0 (± 4.00) | 89.3 (± 3.87) | − 0.25 ± 0.83 (− 1.9, 1.4) | 0.38 (0.3, 0.43) |
| mLDTA (°) | 91.3 (± 3.73) | 91.7 (± 3.57) | − 0.35 ± 1.42 (− 3.1, 2.4) | 0.64 (0.52, 0.75) |
| MAD (mm) | 12.0 (± 9.85) | 12.3 (± 9.85) | − 0.38 ± 1.24 (− 2.8, 2.1) | 0.47 (0.37, 0.57) |
| mJLCA (mm) | 3.1 (± 1.88) | 3.0 (± 1.91) | 0.04 ± 0.63 (− 1.2, 1.3) | 0.29 (0.25, 0.33) |
| mTFA (°) | 3.3 (± 2.69) | 3.2 (± 2.70) | 0.03 ± 0.53 (− 1,1.1) | 0.24 (0.21, 0.26) |
| aMPFA (°) | 78.8 (± 5.66) | 78.8 (± 5.64) | − 0.01 ± 0.55 (− 1.1, 1.1) | 0.24 (0.22, 0.27) |
| aLDFA (°) | 81.6 (± 2.57) | 81.6 (± 2.55) | − 0.01 ± 0.54 (− 1.1, 1.1) | 0.24 (0.22, 0.27) |
| NSA (°) | 128.3 (± 4.96) | 128.3 (± 4.90) | − 0.01 ± 0.57 (− 1.1, 1.1) | 0.24 (0.22, 0.27) |
| aMPTA (°) | 89.8(± 4.10) | 89.7(± 4.03) | 0.07 ± 0.78 (− 1.5, − 1.6) | 0.29 (0.24, 0.35) |
| aLDTA (°) | 91.2 (± 4.30) | 91.2 (± 4.27) | 0.03 ± 0.57 (− 1.1, − 1.2) | 0.24 (0.22, 0.27) |
| aTFA (°) | 4.2 (± 2.75) | 4.2 (± 2.74) | 0.04 ± 0.57 (− 1.1, 1.2) | 0.25 (0.22, 0.28) |
| Full leg-length (mm) | 834.5 (± 62.17) | 836.1 (± 63.76) | − 1.2 ± 0.58 (− 2.3, − 0.055) | 0.47 (0.42, 0.61) |
| Femoral length (mm) | 471.3 (± 30.31) | 474.2 (± 37.27) | − 1.16 ± 0.62 (− 2.4, − 0.055) | 0.50 (0.44, 0.65) |
| Tibial length (mm) | 361.3 (± 29.55) | 362.8 (± 29.36) | − 1.16 ± 0.66 (− 2.5, 0.13) | 0.54 (0.48, 0.70) |