Risk factors of internal carotid artery stenosis in patients with proliferative diabetic retinopathy: an analysis using optical coherence tomography and optical coherence tomography angiography

Table 2 OCT and OCTA parameters of two groups

OCT and OCTA parameters	Group 1	Group 2	p-value*
SFCT (μm)	259.81 ± 46.66	253.12 ± 35.58	0.224
VD central (%)	2.83 ± 2.99	2.4 ± 2.26	0.359
VD total (%)	13.73 ± 3.21	11.53 ± 3.37	0.003
FAZ area (mm²)	0.53 ± 0.62	0.56 ± 0.84	0.002
average GCIPL (μm)	73.74 ± 26.39	70.25 ± 13.20	0.405
RNFL thickness (μm)
Total	97.87 ± 5.542	95.04 ± 4.10	0.013
Superior	108.74 ± 34.48	104.62 ± 26.11	0.262
Inferior	111.21 ± 30.26	101.62 ± 27.23	0.07
Temporal	82.46 ± 27.74	71.75 ± 20.18	0.019
Nasal	73.68 ± 22.13	69.83 ± 19.30	0.202

Values are presented as mean ± SD unless otherwise indicated
SFCT = subfoveal choroidal thickness; VD = vessel density; FAZ = foveal avascular zone; GCIPL = ganglion cell layer inner plexiform layer; RNFL = retinal nerve fiber layer

ISSN: 1471-2415