Table 2.

Preoperative and follow-up clinical scores^a.

	Preoperative	1-year follow-up	Final follow-up	Pc	Pd	Pe
VAS scoreb	7.0 ± 1.6	2.5 ± 1.7	2.0 ± 2.1	<0.001	<0.001	<0.001
WOMAC scoreb	39.3 ± 12.2	17.2 ± 12.7	13.9 ± 14.1	<0.001	<0.001	<0.001
IKDC scoreb	32.5 ± 8.3	55.8 ± 14.3	61.2 ± 17.2	<0.001	<0.001	<0.001

^aValues are expressed as mean ± standard deviation unless otherwise indicated. Bold indicates statistical significance (P < 0.001). IKDC, International Knee Documentation Committee; VAS, visual analog scale; WOMAC, Western Ontario and McMaster Universities Osteoarthritis Index.

^bWilcoxon signed-rank test.

^cP value of preoperative score vs. score at 1 year after surgery.

^dP value of preoperative score vs. score at final follow-up after surgery.

^eP value of score at 1 year after surgery vs. score at final follow-up after surgery.