Efficacy of stromal vascular fraction for knee osteoarthritis: A prospective, single-centre, non-randomized study with 2 years follow-up

Table 3 International Knee Documentation Committee score in various time-points

Time-point	Group A (n = 23)	Group B (n = 24)	Standard error	95%CI	t	P value
Pre-procedure	33.4 ± 10.20	36.7 ± 9.17	2.743	-2.22-8.82	1.20	0.23
1 month Follow-up	58.14 ± 17.23	56.6 ± 18.25	5.02	-11.63-8.55	-0.307	0.76
3 months Follow-up	60.3 ± 14.21	54.2 ± 13.25	3.88	-13.91-1.71	-1.57	0.12
6 months Follow-up	62.6 ± 13.27	50.16 ± 12.35	3.62	-19.72 to -5.15	-3.431	0.001
12 months Follow-up	78.3 ± 12.24	48.76 ± 12.17	3.45	-36.48 to -22.59	-8.56	< 0.001
24 months Follow-up	83.10 ± 18.25	45.16 ± 12.35	4.40	-46.80 to -29.07	-8.61	< 0.001

Independent t-test.