Table 2

Magnitude of diabetic retinopathy and its variants

Demographic parameter	Frequency	%	Estimated cases	Adjusted rates†	95% CI
*Age information of 122 diabetics was missing.
†Adjusted rates using indirect method of age sex standardisation.
Sex
Male	191	21.34	468	18.46	16.95 to 19.97
Female	174	12.85	312	10.12	9.04 to 11.20
Age group (n=2137*)
<40 years	37	7.76	51	6.03	4.43 to 7.64
40–49 years	105	15.00	182	13.29	11.49 to 15.08
50–59 years	86	15.58	207	15.08	13.18 to 16.97
60–69 years	94	22.87	294	19.18	17.21 to 21.15
70 and above	17	15.60	40	9.09	6.42 to 11.77
National	365	16.23	800	14.39	13.46 to 15.31