Table 5

 Univariate baseline risk factors for development of glaucoma or glaucoma suspect

Risk variablesFirst screeningSecond screening
Relative risk95% CIRelative risk95% CI
VCDR, vertical cup to disc ratio.
Male1.40.7 to 2.60.70.6, 2.6
Hypertension1.10.5 to 2.40.90.6 to 3.4
Diabetes (type 1 or 2)2.90.8 to 10.32.40.5 to 66.8
Migraine0.40.1 to 1.51.20.2 to 2.5
Raynaud’s phenomenon0.60.2 to 1.70.90.6 to 4.2
Myopia > −0.5 dioptre1.30.6 to 2.91.00.2 to 1.7
IOP > 18 mm Hg6.23.1 to 12.31.00.9 to 6.3
Optic disc VCDR 0.6 or higher14.87.1 to 30.81.10.6 to 5.4
Optic disc VCDR asymmetry of 0.2 or more3.51.6 to 7.61.30.5 to 7.4
Central corneal thickness < 512 μm0.80.9 to 4.1