Application of the Full-Width-at-Half-Maximum Image Segmentation Method to Analyse Retinal Vascular Changes in Patients with Diabetic Retinopathy

Table 3

Parameters of retinal veins in the NDR and DR groups.

	RVLD (μm)	RVOD (μm)	WLR (μm)	WT (μm)	WCSA (μm^2)
NDR group	133.66 ± 21.07	156.43 ± 23.36	0.17 ± 0.03	11.38 ± 2.33	5321.03 ± 1695.19
DR group	146.17 ± 34.42	180.20 ± 38.70	0.23 ± 0.05	17.01 ± 4.23	8962.13 ± 3897.34
P value	0.012	<0.001	<0.001	<0.001	<0.001
t value	−2.545	−4.313	−7.827	−9.529	−6.982