Optical Coherence Tomography Angiography as a Noninvasive Assessment of Cerebral Microcirculatory Disorders Caused by Carotid Artery Stenosis

Table 1

Characteristics of the study participants.

Characteristic	Experimental group	Control group
Age, median (y)	63	63	249.5	0.1495
Male, (%)	27 (87.1%)	23 (74.2%)	-2.1082	0.0719
Tobacco, (%)	15 (48.4%)	14 (45.2%)	0.0648	0.7991
Alcohol, (%)	11 (35.5%)	6 (19.4%)	2.0261	0.1546
Hypertension, (%)	28 (90.3%)	21 (67.7%)	4.7692	0.0586^a
Diabetes, (%)	6 (19.4%)	9 (29.0%)	0.7915	0.3737
OCTA characteristic
RPC VD (%); Median (IQR)	55.95 (53.30-58.10)	57.24 (56.00-59.20)	5.7924	0.0161
SVC VD (%); Median (IQR)	48.65 (45.50-51.10)	52.22 (50.14-53.53)	11.785	0.0006
DVC VD (%); Median (IQR)	49.65 (46.50-53.70)	57.50 (53.80-59.85)	20.152	<.0001
CC VD (%); Median (IQR)	67.41 (62.90-69.92)	68.74 (65.91-71.11)	1.560365	0.1320

VD: vessel density; RPC: radical peripapillary capillaries; SVC: superficial vascular complexes; DVC: deep vascular complexes; CC: choriocapillaris. ^aThe value was verified by Fisher’s exact probability test.