Table 1.

Characteristics of the Study Populations

Parameter	N	PG	P-value
Subjects, n	96	96
Eyes, n	184	139
Age, year	56.6 ± 9.5	58.2 ± 7.2	0.2
% Female	64.6%	60.4%	0.6
% Caucasian	89.6%	70.8%	0.001
Mean Deviation, dB	−0.08± 0.95	−4.74± 4.28	<0.0001
Pattern Standard Deviation, dB	1.5± 0.3	6.0± 4.2	<0.0001

N, Normal group; PG, Perimetric glaucoma group; Values are means ± standard deviations; P-values based on comparison of N and PG groups; dB, decibel.