Table 1.

Risk factor for RVO of study group and control subjects.

	RVO subjects (69)	CG subjects (50)	P
Hypertension	38 (55%)	15 (30%)	0.014
Diabetes	12 (17%)	9 (18%)	Ns
Glaucoma	6(8%)	0 (0%)	0.039
Hyperviscosity syndrome	0 (0%)	0 (0%)	Ns
Vasculitis	0 (0%)	0 (0%)	Ns
Smoking	16 (23%)	12 (24%)	Ns
Dyslipidemia	18 (26%)	12 (24%)	Ns

RVO: retinal vein occlusion

CG: control group

HYP: hypertension

DIAB: diabetes

SMOG: smoking

DYS: dyslipidemia

GLAU: glaucoma

HS: hyperviscosity syndrome

VASC: vasculytis

Ns: not significant