Table 2.

Comparison of preoperative radiological data and knee functional score between the two groups.

Variables	Group G (n = 34)	Group Y (n = 42)	P
K–L grade (≥ II)	27	30	0.424
MPTA (°)	80.8 ± 1.1	80.2 ± 2.1	0.165
WBLR (%)	21.0 ± 1.5	20.7 ± 1.6	0.454
PTS (°)	11.4 ± 1.1	11.2 ± 0.9	0.321
AKS	57.4 ± 6.4	52.0 ± 7.4	0.001†
WOMAC	104.5 ± 4.2	102.4 ± 16.6	0.474
VAS	7.0 ± 0.8	6.6 ± 1.0	0.053

K–L Kellgren–Lawrence grade, MPTA medial proximal tibial angle, WBLR weight-bearing line ratio, PTS posterior tibial slope angle, AKS American knee score, WOMAC Western Ontario and McMaster Universities Arthritis Index, VAS visual analogue scale.

^†P < 0.05, significant variables.