From: Rotational alignment of the tibial component in total knee arthroplasty is better at the medial third of tibial tuberosity than at the medial border
"true" rotational variance
medial border
medial third
median
17.4°
-1.6°
range
-13.8° to 32.9°
-24.1° to 15.9°
p < 0.001
≤ ± 5°
4%
68%
≤ ± 10°
15%
85%
≤ ± 20°
69%
98%