TABLE 2.

Multiple Linear Regression of Densitometry Differences Between the Hemorrhage and Adjacent Arteriole (ΔA) and Venule (ΔV) in Patients With Disc Hemorrhages, Retinal Vein Occlusions, and Retinal Arterial Macroaneurysms

	DH (N = 40) vs RVO (N = 25)			DH (N = 40) vs MA (N = 14)			MA (N = 14) vs RVO (N = 25)
	Adjusted R2	Beta Estimate (Standard Error)	P Value	Adjusted R2	Beta Estimate (Standard Error)	P Value	Adjusted R2	Beta Estimate (Standard Error)	P Value
ΔA Predictors
Age	0.29	−0.2 (0.09)	.12	0.033	−0.001 (0.09)	.99	0.30	0.04 (0.1)	.71
Sex (male as referent)		−2.8 (2.1)	.19		−0.4 (2.9)	.89		−5.6 (2.6)	.041
Hypertension (no as referent)		0.7 (2.1)	.75		3.2 (2.4)	.19		1.4 (2.6)	.60
Diabetes mellitus (no as referent)		−6.8 (2.6)	.011		−6.4 (2.8)	.026		−3.5 (3.0)	.26
Using blood thinning medication (no as referent)		1.6 (2.1)	.46		0.2 (2.2)	.92		0.7 (2.8)	.81
Subject typea		−6.6 (2.0)	.0013		1.9 (2.4)	.43		−7.5 (2.6)	.0077
ΔV Predictors
Age	0.39	0.04 (0.09)	.70	0.10	0.003 (0.08)	.97	0.50	0.07 (0.08)	.39
Sex (male as referent)		−2.5 (2.1)	.25		−2.2 (2.8)	.43		−3.3 (2.2)	.14
Hypertension (no as referent)		0.9 (2.1)	.67		3.4 (2.3)	.15		−1.3 (2.2)	.55
Diabetes mellitus (no as referent)		−6.9 (2.6)	.012		−7.7 (2.7)	.0066		−2.7 (2.5)	.29
Using blood thinning medication (no as referent)		0.3 (2.1)	.89		−0.4 (2.1)	.84		−1.2 (2.4)	.63
Subject typea		−10.3 (2.0)	<.0001		1.3 (2.4)	.60		−11.3(2.2)	<.0001

DH = disc hemorrhage; MA = macroaneurysm; RVO = retinal vein occlusion.

^aIn DH vs RVO comparison, RVO is the reference group. In DH vs MA comparison, MA is the reference group. In MA vs RVO comparison, RVO is the reference group.