Tibial Component Rotational Alignment | |||||
---|---|---|---|---|---|
Normal knees (n = 40) | OA knees (n = 120) | ||||
Mean ± SD (°)a | Range (°)a | Mean ± SD (°)a | Range (°)a | P valueb | |
PCL-PT | 2.8 ± 4.9 | −8.2 ~ 13.2 | −1.2 ± 4.7 | −13.8 ~ 10.0 | < 0.001 |
PCL-TT1 | 4.0 ± 4.7 | −6.2 ~ 12.2 | 0.3 ± 5.5 | −19.7 ~ 10.6 | < 0.001 |
PCL-TT2 | 14.7 ± 5.0 | 5.4 ~ 23.5 | 9.8 ± 5.4 | −8.1 ~ 21.9 | < 0.001 |
PCL-TT3 | 19.9 ± 5.4 | 8.4 ~ 28.7 | 14.8 ± 5.4 | 0 .3 ~ 27.8 | < 0.001 |
ATCC | 1.6 ± 2.8 | −1.7 ~ 7.7 | 0.8 ± 2.7 | −7.9 ~ 9.2 | 0.047 |