Research Article

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

Table 4

Comparison of the age- and sex-corrected RPCP values 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)

RPCP55.65 ± 3.3353.73 ± 3.80
−0.923
−2.471/0.625
(0.243)
51.67 ± 4.01
−2.837
−4.508/−1.166
(0.001)
51.09 ± 3.37
−2.563
−3.919/−1.208
(0.001)
Nasal superior54.09 ± 4.9852.67 ± 7.14
−0.561
−2.743/1.622
(0.824)
51.32 ± 6.95
−2.633
−5.473/0.206
(0.069)
52.87 ± 5.08
−1.420
−4.187/1.335
(0.311)
Nasal 154.74 ± 5.9152.69 ± 8.64
−2.054
−5.456/1.347
(0.236)
52.94 ± 7.01
−1.660
−4.722/1.403
(0.288)
50.48 ± 5.69
−3.741
−6.209/−1.273
(0.003)
Nasal 251.20 ± 4.7850.14 ± 6.34
−1.066
−3.497/1.364
(0.390)
47.00 ± 9.66
−4.042
−7.845/−0.238
(0.037)
47.34 ± 5.61
−3.225
−5.399/−1.051
(0.004)
Nasal inferior56.09 ± 5.2355.31 ± 6.14
−0.779
−3.497/1.508
(0.504)
54.37 ± 6.25
−3.444
−6.398/−0.490
(0.122)
54.40 ± 4.98
−1.050
−2.832/0.732
(0.248)
Temporal inferior57.69 ± 6.3656.63 ± 7.11
−1.058
−3.735/1.620
(0.439)
56.10 ± 6.39
−1.415
−4.374/1.544
(0.348)
54.87 ± 5.78
−2.217
−4.744/0.309
(0.085)
Temporal 151.61 ± 4.9150.00 ± 9.13
−1.611
−5.008/1.785
(0.353)
49.51 ± 6.51
−2.017
−4.471/0.438
(0.107)
46.82 ± 7.66
−4.271
−6.952/−1.599
(0.002)
Temporal 255.96 ± 4.2853.86 ± 7.87
−2.100
−4.925/0.725
(0.145)
50.97 ± 8.52
−4.855
−7.499/−2.211
(0.001)
52.82 ± 5.30
−2.495
−4.243/0.747
(0.005)
Temporal superior56.17 ± 4.6056.06 ± 5.51
−0.107
−2.111/1.898
(0.717)
53.51 ± 7.29
−2.248
−5.201/0.705
(0.136)
55.17 ± 6.64
−0.507
−2.488/1.474
(0.616)

RPCP: radial peripapillary capillary network. values of comparisons between the control group are represented within parentheses.