Table 2.

Distribution of clinical and functional outcome parameters

Variable	Mean ± standard deviation	Range	Significance
Knee range of flexion, unaffected side	127.1 ± 5.7	120–135	0.001
Knee range of flexion, affected side	111.5 ± 9.1	100–130
Preoperative VAS score	7.4 ± 1.3	6–9	0.0001
Postoperative VAS score at 2 years’ follow-up	4.2 ± 1.5	2–6
Preoperative Lysholm score	22.3 ± 9.7	6–38	0.0001
Postoperative Lysholm score at 2 years’ follow-up	50.41 ± 11.76	28–68
Preoperative IKDC score	24.11 ± 5.08	14.3–32.9	0.0001
Postoperative IKDC score at 2 years’ follow-up	62.78 ± 5.05	53.7–71.3

VAS visual analogue scale, IKDC International Knee Documentation Committee