表 3.

A、B、C三组术后12个月膝关节功能评分的均值方差及P值相互比较

Comparison of mean variance and P value of knee function score in group A, B and C at 12 months after surgery

Items	A	B	C	P
				A vs. B	A vs. C	B vs. C
IKDC, International Knee Documentation Committee.
Tegner score, x±s	4.18±0.75	4.44±0.75	4.54±1.01	0.341	0.394	0.973
Lysholm score, x±s	91.81±9.13	92.67±7.66	90.91±9.54	0.790	0.791	0.492
IKDC score, x±s	77.63±8.88	78.37±7.33	78.58±7.47	0.813	0.772	0.921