Relationship between Daytime Sleepiness and Intrinsically Photosensitive Retinal Ganglion Cells in Glaucomatous Disease

Table 2

Demographic and clinical characteristics (mean ± standard deviation [median, interquartile range]) of control and glaucoma participants.

	Control group ( = 20 eyes of 10 subjects)	Glaucoma group ( = 60 eyes of 30 subjects)	value
Age, years	56.10 ± 8.08; (55.50, 54.00 to 58.00)	62.00 ± 9.39; (64.50, 53.00 to 70.00)	0.084
Female, %	8 (80%)	20 (67%)	0.693
Ancestry, %			0.401
Caucasian	9 (90%)	21 (70%)
African-American	1 (10%)	9 (30%)
MD worse eye, dB	−1.28 ± 2.03; (−1.23, −3.10 to 0.44)	−11.82 ± 10.68; (−7.15, −20.22 to −3.07)	<
MD better eye, dB	−0.04 ± 1.60 (0.27, −1.18 to 1.52)	−7.00 ± 7.97 (−2.90, −11.78 to −1.34)	<
Average IOP, mmHg	13.42 ± 1.87 (13.00, 12.00 to 14.00)	16.90 ± 2.82 (16.00, 15.00 to 18.00)	<
Cup/disc ratio	0.34 ± 0.10 (0.30, 0.30 to 0.40)	0.80 ± 0.15 (0.80, 0.70 to 1.00)	<
CCT, µm	539.95 ± 30.24; (534.00, 519.00 to 562.00)	521.76 ± 34.52 (520.50, 498.00 to 547.00)	0.069
Visual acuity, logMAR	0.04 ± 0.07 (0.00, 0.00 to 0.10)	0.11 ± 0.09 (0.10, 0.00 to 0.20)	<

MD = mean deviation; dB = decibels; IOP = intraocular pressure; mmHg = millimeters of mercury; CCT = central corneal thickness; logMAR = logarithm of the minimum angle of resolution.
Student’s -test; Wilcoxon’s rank-sum test; Fisher’s exact test.
Significant values are in boldface.