Table 2.

Spearman rank correlation analysis between T2 values and ICRS grade in different layers at both time points.

	Early unloading		Late unloading
	rS	P	rS	P
Global layer	0.313	0.009	0.389	0.0001
Deep layer	0.288	0.017	0.323	0.007
Superficial layer	0.288	0.018	0.378	0.002
Zonal variation	0.034	0.786	0.134	0.277