Preoperative

Postoperative

Clinical medial tibial rotation

13°-18°

6° + 2°

Mean tibial varus deformity

17° (range, 13°-19°)

2.5° of valgus

Mean metaphyseal-diaphyseal angle (MDA)

17.5° + 2.5°

6.5° + 3.5°

Table 1: The results of of modified Rab proximal tibial oblique osteotomy.