From: Tibiofemoral rotation alignment in the normal knee joints among Chinese adults: a CT analysis
Tibial axis | Mean ± SD(°) | Range(°) | 95% confidence interval |
---|---|---|---|
MEPT | −1.6 ± 4.5 | −12.5 ~ 15.5 | −2.4 ~ −0.8 |
M1/3 | 10.2 ± 5.1 | 12.2 ~ 23.1 | 9.2 ~ 11.1 |
Akagi line | 1.4 ± 5.0 | −11.3 ~ 15.6 | 0.5 ~ 2.3 |
TATa | 4.1 ± 5.3 | −12.4 ~ 18.3 | 3.1 ~ 5.0 |
Insall line | 11.9 ± 5.4 | −4.4 ~ 24.8 | 10.9 ~ 12.8 |
MBTT | 3.6 ± 4.8 | −11.0 ~ 15.3 | 2.7 ~ 4.4 |
ATC1 | 12.0 ± 6.9 | −6.5 ~ 27.1 | 10.8 ~ 13.3 |
ATC2 | 7.2 ± 8.6 | −14.6 ~ 25.8 | 5.6 ~ 8.7 |
ATC3 | 7.1 ± 10.4 | −20.3 ~ 30.5 | 5.3 ~ 9.0 |
ATC4 | 6.6 ± 13.5 | −22.2 ~ 35.0 | 4.1 ~ 9.0 |