Alterations in Parafoveal and Optic Disc Vessel Densities in Patients with Obstructive Sleep Apnea Syndrome

Table 5

Comparison of the age- and sex-corrected FAZ and superficial and deep VDs of OSAS groups with healthy controls using generalized estimating equation models.

	Control (n = 27, 54 eyes)	Mild OSAS (n = 27, 54 eyes)	Moderate OSAS (n = 24, 48 eyes)	Severe OSAS (n = 26, 52 eyes)
OCT-A-FAZ	0.29 ± 0.12	0.32 ± 0.09; 0.028; −0.024/0.081; (0.292)	0.38 ± 0.16; 0.0.85; −0.004/0.174; (0.061)	0.40 ± 0.09; 0.101; 0.042/0.160; (0.001)
Superficial VD	44.13 ± 2.95	41.12 ± 3.15; −1.012; −2.412/0.388; (0.157)	40.32 ± 4.11; −1.807; −3.873/0.259; (0.086)	39.95 ± 3.52; −2.170; −3.729/−0.611; (0.006)
Deep VD	37.33 ± 4.38	33.49 ± 5.02; −3.843; −6.121/−1.566; (0.001)	31.42 ± 6.48; −5.905; −8.736/−3.074; (0.001)	30.19 ± 5.63; −7.140; −10.185/−4.095; (0.001)

FAZ: foveal avascular zone; VD: vessel density. values of comparisons between control group are represented within parentheses.