. Author manuscript; available in PMC: 2020 Sep 1.

Published in final edited form as: Ophthalmol Glaucoma. 2019 May 29;2(5):319–326. doi: 10.1016/j.ogla.2019.05.003

Table 1.

Demographic and Clinical Characteristics.

	Glaucoma N= 300 eyes in 210 subjects	Controls N=92 eyes in 49 subjects	P-value
Baseline Age (years),			<0.001^a
Mean ± SD	68.2 ± 10.2	51.4 ± 15.6
Median (IQR)	69.6 (60.8 – 75.0)	51.0 (43.3 – 60.4)
Sex-N (%)			0.038^b
Female	107/210 (51.0%)	33/49 (67.3%)
Male	103/210 (49.0%)	16/49 (32.7%)
Race-N (%)			0.004^b
African American	59/210 (28.1%)	24/49 (48.9%)
Non-African American	151/210 (71.9%)	25/49 (51.1%)
Baseline mean deviation (dB)			<0.001^a
Mean ± SD	−5.21 ± 5.80	−0.14 ± 1.13
Median (IQR)	−3.47 (−6.37 – −1.65)	−0.12 (−1.0 – 0.93)
Baseline retinal nerve fiber layer (μm)			<0.001^a
Mean ± SD	74.8 ± 17.1	100.2 ± 9.9
Median (IQR)	74.0 (63.0 – 86.0)	100.0 (93.0 – 108)
Spherical equivalent (diopters)			0.88^a
Mean ± SD	−0.49 ± −1.87	−0.44 ± −1.61	0.88^a
Median (IQR)	−0.125 (−1.375 – 0.75)	−0.25 (−1.25 – 0.56)
Number of SDOCT scans,			0.008^a
Mean ± SD	11.2 ± 4.6	9.5 ± 2.7
Median (IQR)	11 (7 – 14)	9 (8 – 11)
Follow-up time (years)			<0.001^a
Mean ± Sd	5.42 ± 1.54	4.46 ± 1.85
Median (IQR)	5.88 (4.51 – 6.63)	4.83 (2.25 – 5.96)

IQR = interquartile range; SD = standard deviation; dB = decibels; SDOCT = Spectral domain optical coherence tomography

Wilcoxon rank-sum test

Chi-square test