Table 3.

Coefficients from univariable and multivariable linear regression models estimating rates of standard automatic perimetry mean deviation loss. Reference for the multivariable model is a patient classified as a slow optical coherence tomography (OCT) progressor.

	Univariable		Multivariable
	Coefficient	p-value*	Coefficient	p-value*
Intercept	-	-	0.250	-
Baseline age (years)	−0.005	<0.001	−0.004	<0.001
Gender (female)	0.030	0.253	0.020	0.294
Race (African-American)	0.037	0.190	−0.005	0.788
Mean initial IOP (mmHg)	−0.006	0.107	−0.005	0.082
Baseline SAP MD (dB)	0.004	0.061	−0.002	0.184
Concurrent SAP rate (dB/year)	0.695	<0.001	0.668	<0.001
OCT progressor group
Intercept (baseline: slow)	−0.158	<0.001	-	-
Moderate – slow	−0.165	<0.001	−0.103	<0.001
Fast – slow	−0.487	<0.001	−0.254	<0.001

^*Linear mixed models.

dB = decibel; IOP = infraocular pressure; MD = mean deviation; OCT: optical coherence tomography; SAP = standard automated perimetry.