Table 5.

Preoperative American Knee Society knee score (AKSK), preoperative American Knee Society function score (AKSF), and postoperative AKSK and AKSF scores at 12–18 months

	AKSK		AKSF
	preop. a	12–18 month b	preop. b	12–18 month b
Group 1	37 (15)	92 (2–100)	65 (0–100)	80 (0–100)
Group 2	36 (16)	93 (25–100)	60 (10–100)	80 (0–100)
Group 3	36 (17)	93 (35–100)	55 (0–90)	65 (0–100)
p-value	0.7c	0.001d	< 0.001d	< 0.001d

^amean (SD)

^bmedian (range)

^cANOVA

^dKruskal-Wallis test.