TABLE 2.

Preoperative Outcome Scores^a

	Group 1 (n = 18)	Group 2 (n = 11)	P
IKDC subjective score	33.6 (16.9-51.2)	42.4 (36.8-51.0)	.183b
IKDC objective grade, n			.113c
Normal	0	0
Nearly normal	0	0
Abnormal	10	10
Severely abnormal	8	1
JOA score	61.7 (45.0-80.0)	55.0 (50.0-90.0)	.261b

^aData are shown as mean (range) unless otherwise indicated. IKDC, International Knee Documentation Committee; JOA, Japanese Orthopaedic Association.

^bP value by Mann-Whitney U test.

^cP value by chi-square test.