TABLE 5.

Four-year Risk of Developing Open-angle Glaucoma Stratified by Level of Intraocular Pressure at Baseline

Baseline Intraocular Pressure range (mm Hg)	No. at Risk	4-year incidence rate, % (95% confidence interval)	Adjusted odds ratio (95% confidence interval)*	P*
<10	148	0.7 (0.0-3.7)	1.00 (reference)	-
10 to <13	984	1.6 (0.9-2.6)	2.35 (0.31-18.12)	0.41
13 to <16	1521	1.4 (0.9-2.2)	2.06 (0.27-15.64)	0.48
16 to <19	795	3.1 (2.1-4.6)	3.72 (0.49-28.32)	0.20
19 to <22	214	4.2 (1.9-7.8)	5.79 (0.71-47.22)	0.10
22 to <25	47	12.8 (4.8-25.7)	19.82 (2.21-177.71)	0.008
≥25	10	20.0 (2.5-55.6)	30.85 (2.26-421.51)	0.010

^*Based on logistic regression models adjusting for age, axial length, lack of vision insurance, wait to hip ratio, and central corneal thickness at baseline.