. Author manuscript; available in PMC: 2009 Aug 6.

Published in final edited form as: Ophthalmology. 2009 Apr;116(4):710–71782. doi: 10.1016/j.ophtha.2008.12.065

Table 4.

Analysis of variance (ANOVA) for determining the impact of variables on mean appropriateness index

Variable used to generate scenarios of glaucoma suspects	R²
Intraocular pressure	0.53
Cup/disc ratio	0.16
Central corneal thickness	0.08
Life expectancy	0.07
Disc size	0.05
Age	0.04
Family history	0.01

All variables are associated with appropriateness index p-value <0.001