From: Differences in preoperative planning for high-tibial osteotomy between the standing and supine positions
Standing
Supine
Difference
Medial opening gap (mm)
13.9 ± 4.0
11.3 ± 4.0
2.6 ± 2.0
Lateral closing gap (mm)
 Conventional
12.4 ± 3.5
10.2 ± 2.9
2.3 ± 1.6
 Hybrid (1:3)
9.6 ± 2.8
7.8 ± 2.3
1.9 ± 1.4