Table 2.

Clinical results

	PFC group (n=38)	CKS group (n=39)	p-value
Revisions (no.)	1	6	0.1 a
Reoperations (no.)	1	8	0.03 a
ROM (deg)
Extension	-0.8 (4.1; -20–5)	-3.3 (6.9; -20–10)	0.05 b
Flexion	108 (15; 80–135)	104 (17; 65–140)	0.2 b
Total ROM	108 (17; 65–135)	100 (21; 45–140]	0.09 b
KSS (points)
Knee	88 (12; 59–100)	80 (19; 35–100	0.04 b
Function	65 (27; -20–100)	55 (30; -10–100	0.1 b
Total	153 (30; 71–200)	135 (43; 40–200)	0.04 b
WOMAC score (points)	20 (16; 0–57)	24 (22; 0–79)	0.3 b
VAS satisfaction	83 (20; 0–100)	71 (27; 0–100)	0.03 b
VAS pain	17 (24; 0–80)	24 (26; 0–70)	0.3 b
Radiolucency (no.)	2	3	1 a

^a Fisher exact test and ^b Student t-test.