Bulletin of the National Research Centre

Table 2 Clinical characteristics of patients grouped according to the presence of DR

From: Vascular endothelial growth factor +405G/C polymorphism as a predictor of diabetic retinopathy

	Retinopathy		No retinopathy		P value
	No.	%	No.	%	P value
Gender
Male	80	74.1	28	25.9	0.430
Female	110	69.6	48	30.4	0.430
Age
< 30 years	30	56.6	23	43.4	0.004
30–40 years	43	65.2	23	34.8
41–60 years	104	78.2	29	21.8
> 60 years	13	92.9	1	7.1
Education
Illiterate	121	73.3	44	26.7	0.343
Middle	37	63.8	21	36.2
High	32	74.4	11	25.6
Duration of diabetes
≤ 10 years	41	53.2	36	46.8	< 0.001
11–20 years	65	77.4	19	22.6
> 20 years	84	80.0	21	20.0
Control of diabetes
Controlled	64	51.6	60	48.4	< 0.001
Uncontrolled	126	88.7	16	11.3	< 0.001
Family history of DR
Positive	37	82.2	8	17.8	0.039
Negative	66	65.3	35	34.7	0.039
Unknown	120 patients did not know
History of Cons.
Positive	27	64.3	15	35.7	0.246
Negative	163	72.8	61	27.2	0.246
Hypertension
No	114	68.3	53	31.7	0.034
Yes	58	81.7	13	18.3	0.034
IHD
No	169	72.8	63	27.2	0.737
Yes	4	66.2	2	33.3	0.737
Nephropathy
No	159	71.3	64	28.7	0.198
Yes	13	86.7	2	13.3	0.198
Neuropathy
No	88	69.8	38	30.2	0.375
Yes	84	75.0	28	25.0	0.375

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