Table 3.

Prevalence of DR in the subgroups studied (risk factors of DR)

	Total (n = 473)	Prevalence of DR n (%)	P value
Type of DM
Type 1	17	5 (29.4)	= 0.995
Type 2	458	137 (30)	= 0.995
Duration of diabetes (years)			< 0.005
<1	87	10 (11.5)	< 0.005
1-5	138	29 (21.0)	< 0.005
6-10	139	47 (33.8)	< 0.005
11-20	99	50 (50.5)	< 0.005
>20	10	5 (50)	< 0.005
Diabetic control
Uncontrolled	278	101 (36.3)	< 0.005
Reasonable controlled	53	19 (35.8)	< 0.005
Good control	142	21 (14.8)	< 0.005
Blood pressure
No hypertension	254	66 (26.0)	= 0.063
Hypertension present	219	75 (34.2)	= 0.063
Blood lipid level
No hyperlipidemia	361	92 (25.5)	< 0.005
Hyperlipidaemia	110	49 (44.5)	< 0.005
Blood cholesterol level
Normal cholesterol level	361	93 (25.76)	< 0.005
Hypercholesterolaemia	110	49 (44.54)	< 0.005
BMI groups
Normal weight	10	4 (40)	= 0.647
Overweight	219	61 (27.9)
Obesity	205	63 (30.7)
Extreme obesity	39	14 (35.9)