Table 3.

Comparison of the TGBA, WOMAC, and VAS scores between or within the two groups

		Group 1		Group 2		P
		mean ± sd	95% CI	mean ± sd	95% CI
TGBA	Preoperative	18,3 ± 0,9	18,0–18,6	17,6 ± 0,9	16,9–17,5	0,686
	Last follow-up	26,5 ± 1,1	26,1–26,9	23,6 ± 1,0	23,2–23,9	0,000*
	P	0,000*		0,000*
WOMAC	Preoperative	86,6 ± 3,4	85,5–86,8	83,7 ± 2,6	83,5–85,3	0,084
	Last follow-up	20,3 ± 1,7	19,7–20,9	31,2 ± 2,3	30,4–31,9	0,000*
	P	0,000*		0,000*
VAS	Preoperative	8,4 ± 0,9	8,0–8,7	7,5 ± 0,9	7,1–7,7	0,656
	Last follow-up	1,8 ± 0,8	1,5–2,1	1,9 ± 0,8	1,6–2,2	0,794
	P	0,000*		0,000*

TGBA Tinetti Gait and Balance Assessment, WOMAC Western Ontario and McMaster Universities Osteoarthritis Index, VAS Visual Analog Scale

*Significance

Mann Whitney U test, Wilcoxon test