Table 2 (Abstract O50).

Comparison of imaging results between the two groups before and after surgery

	HTOR (n = 35)	HTO (n = 25)	P
Medial meniscus extrusion (mm)
Before surgery	4.4 ± 1.8	4.3 ± 1.9	0.155
After surgery	4.2 ± 1.8	4.1 ± 2.0	0.979
Medial joint space (mm)
Before surgery	3.5 ± 1.0	3.6 ± 1.3	0.129
After surgery	3.8 ± 1.2	3.5 ± 1.7	0.678
Joint line convergence angle (degrees)
Before surgery	3.1 ± 1.2	3.0 ± 1.6	0.087
After surgery	2.5 ± 1.1	2.3 ± 1.4	0.376
Posterior tibial slope (degrees)
Before surgery	8.9 ± 1.3	8.6 ± 1.9	0.467
After surgery	8.8 ± 1.8	9.1 ± 1.7	0.534
Weight-bearing line (WBL) ratio (%)
Before surgery	21.2 ± 9.9	22.2 ± 12.8	0.876
After surgery	63.1 ± 10.7	64.0 ± 11.7	0.236
Hip-knee-ankle angle (degrees)
Before surgery	Varus6.7 ± 2.2	Varus6.8 ± 2.6	0.841
After surgery	Valgus 1.7 ± 1.2	Valgus 1.8 ± 1.2	0.445
Kellgren-Lawrence (KL) grading
Before surgery (1/2/3/4)	3/13/16/3	0/7/15/3	0.567
After surgery (1/2/3/4)	5/16/12/2	2/11/10/2	0.335
Before surgery	8.9 ± 1.3	8.6 ± 1.9		0.467
After surgery	8.8 ± 1.8	9.1 ± 1.7		0.534
Weight-bearing line (WBL) ratio (%)
Before surgery	21.2 ± 9.9	22.2 ± 12.8		0.876
After surgery	63.1 ± 10.7	64.0 ± 11.7		0.236
Hip-knee-ankle angle (degrees)
Before surgery	Varus6.7 ± 2.2	Varus6.8 ± 2.6		0.841
After surgery	Valgus 1.7 ± 1.2	Valgus 1.8 ± 1.2		0.445
Kellgren-Lawrence (KL) grading
Before surgery (1/2/3/4)	3/13/16/3	0/7/15/3		0.567
After surgery (1/2/3/4)	5/16/12/2	2/11/10/2		0.3349