Table 5.

Kendall’s tau-b rank correlation analyses between parameters and PSC grade

Parameters	PSC grade Kendall’s tau-b rank correlation
	τ	P
Age	0.058	P = 0.774
Cytokines
VEGF	0.117	P = 0.565
bFGF	0.208	P = 0.324
IL-6	0.664	P = 0.001*
IL-8	0.634	P = 0.002*
IL-10	0.127	P = 0.533

PSC Posterior subcapsular cataract, VEGF Vascular endothelial growth factor, bFGF Basic fibroblast growth factor, IL Interleukin, VCAM Vascular cell adhesion molecule