. Author manuscript; available in PMC: 2015 Jan 1.

Published in final edited form as: Ophthalmology. 2013 Oct 25;121(1):134–141. doi: 10.1016/j.ophtha.2013.09.003

Table 1.

Characteristics of patients for the current and previous study periods. Numbers in parentheses indicate number of subjects.

	Current Study Period (1981–2000)	Previous Study Period (1965–1980)
Number of cases	563	294
Age at Diagnosis (Years, mean ± SD)	65.2 ± 15.3	66.7 ± 13.1
Gender (%)
Male	41.7% (235)	37.1% (109)
Female	58.3% (328)	62.9% (185)
Type of Glaucoma
Primary Open Angle	65.0% (366)	29.6% (87)
Pseudoexfoliation	14.7% (83)	8.5% (25)
Pigmentary	5.7% (32)	1.7% (5)
Treated Ocular Hypertension	14.6% (82)	60.2% (177)

Definitions for treated ocular hypertension differed between the current and previous studies, as explained in the Methods section.

SD – standard deviation