Adaptive Optics (rtx1) High-Resolution Imaging of Photoreceptors and Retinal Arteries in Patients with Diabetic Retinopathy

Table 8

Characteristics of retinal artery parameters in the DR (mild NPDR, ; moderate NPDR, ) and control groups ( and ).

Parameters	Mean (±SD)	Mean^† (±SD)	Mean^† (±SD)	Mean (±SD)	value; Control vs. DR	value^† NPDR
	Control group	Mild NPDR group	Moderate NPDR	DR group
Lumen (μm)					0.580^†	0.685
Total diameter (μm)					0.113^†	0.658
WALL_1 (μm)					<0.001^†	0.834
WALL_2 (μm)					<0.001^‡	0.295
WLR (1)					<0.001^†	0.245
WCSA (μm^2)					<0.001^‡	0.796

^†-test; ^‡Mann–Whitney test. Abbreviations: SD: standard deviation; WLR: wall-to-lumen ratio; WCSA: wall cross-sectional area.