Table 1.

Demographic characteristics of healthy subjects and glaucoma patients.

	Healthy subjects	Glaucoma patients	P value
Number	40	31	—
Age (years)	43.1 ± 12.6	45.0 ± 14.6	0.547∗
Gender (male/female)	19/21	21/10	0.088†
CCT (μm)	536.2 ± 22.2	536.6 ± 20.8	0.930∗
MD (dB)	−1.75 (−3.15, −0.85)	−6.45 (−12.70, −3.41)	<0.001 ‡
VF testing time (min)	5.60 ± 0.86	6.78 ± 1.13	<0.001 ∗

Continuous values are described as mean ± standard deviation except that MD is presented as median (interquartile range). P values <0.05 are in bold. MD: mean defect; CCT: central corneal thickness; VF: visual field. ^∗Independent t-test. ^†Chi-square test. ^‡Mann–Whitney U test.