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

Table 4 Magnetic resonance observation of cartilage repair tissue 2.0 knee score at baseline and 24-month follow-up

Time-point	Group A (n = 23)	Group B (n = 24)	Standard error	95%CI	t	P value
Baseline	52.7 ± 6.2	53.3 ± 4.7	1.60	-2.62-3.82	0.37	0.71
24 months follow-up	91.8 ± 5.1	61.2 ± 8.4	2.03	-34.70 to -26.49	-15.01	< 0.001