Table 2.

Normality test.

	Kolmogorov–Smirnov			Shapiro–Wilk
	Statistics	gf	Sign.	Statistics	gf	Sign.
Diabetes duration	0.163	38	0.014	0.926	38	0.017
HbA1c	0.190	38	0.002	0.914	38	0.007
TGFβ1	0.151	38	0.033	0.937	38	0.036
VEGF-A	0.154	38	0.028	0.794	38	0.000
PlGF	0.245	38	0.000	0.642	38	0.000