TABLE 1.

Baseline Demographic and Clinical Features in Study Sample of Patients With Disc Hemorrhages, Retinal Vein Occlusions, and Retinal Macroaneurysms

Demographic and Clinical Features	DH (N = 40)	RVO (N = 25)	MA (N = 14)	P Value for DH vs RVO	P Value for DH vs MA	P Value for RVO vs MA
Age in years, mean (SD)	66.0 (9.4)	64.5 (12.8)	73.5 (18.1)	.76a	.0026a	.0073a
Female sex, n (%)	32 (80.0)	12 (48.0)	12 (85.7)	.0073b	.99c	.020b
Hypertension, n (%)	18 (45.0)	19 (76.0)	10 (71.4)	.014b	.029b	.99c
Diabetes mellitus, n (%)	5 (12.5)	4 (16.0)	3 (21.4)	.71c	.41c	.69c
Using blood thinning medication, n (%)	15 (37.5)	10 (40.0)	10 (71.4)	.84b	.028b	.060b
LogMAR best-corrected visual acuity, mean (SD)	0.07 (0.1)	0.4 (0.4)	0.98 (1.0)	<.0001a	<.0001a	.20a
Intraocular pressure in affected eye at time of hemorrhage discovery, in mm Hg, mean (SD)	14.2 (2.8)	15.8 (5.4)	14.4 (2.7)	.25a	.88a	.42a
Maximum intraocular pressure in affected eye, in mm Hg, mean (SD) (n = 38)	19.5 (5.0)	N/A	N/A	N/A	N/A	N/A
Cup-to-disc ratio in affected eye at time of hemorrhage discovery, mean (SD)	0.7 (0.1)	N/A	N/A	N/A	N/A	N/A
Mean deviation on reliable visual field closest to time of hemorrhage discovery in affected eye in decibels, mean (SD) (n = 39)	−3.6 (3.0)	N/A	N/A	N/A	N/A	N/A
Time from symptoms to imaging in weeks, mean (SD)	N/A	5.1 (5.0)	3.2 (2.7)	N/A	N/A	.20a
Hemorrhage descriptors
ΔA (arterial – hemorrhage densitometry), mean (SD), pixel intensity units	6.9 (7.1)	14.6 (7.7)	5.3 (5.9)	<.0001a	.49a	.00031a
ΔV (venous – hemorrhage densitometry), mean (SD), pixel intensity units	−4.7 (8.0)	6.4 (6.3)	−6.0 (4.6)	<.0001a	.36a	<.0001a
Length-to-width ratio, mean (SD)	4.9 (2.5)	N/A	N/A	N/A	N/A	N/A

DH = disc hemorrhage; MA = microaneurysm; N/A = not available; RVO = retina vein occlusion; SD = standard deviation.

^aMann-Whitney U test.

^bχ² test.

^cFisher exact test.