. 2011 Mar 28;52(3):1788–1792. doi: 10.1167/iovs.10-6339

Table 1.

Demographic and Clinical Features of Study Subjects

Group	n	Female (%)	Age at Diagnosis (y)^*		Vertical Cup-to-Disc Ratio
Group	n	Female (%)	Range	Mean ± SD	Range	Mean ± SD
POAG	539	51.2	30–87	61.4 ± 11.2^†	0.20–0.99	0.81 ± 0.13^†
Control	336	54.5	40–89	65.2 ± 10.7	0.10–0.70	0.30 ± 0.11

For the control subjects, age at diagnosis referred to age at enrollment.

^†

P < 0.0001 compared with the control group.