Retinopathy among Adult Diabetics and Its Predictors in Northwest Ethiopia

Table 2

Overall incidence and incidence rate of DR every three-year interval among diabetic at Felege Hiwot Comprehensive Specialized Hospital, 2020.

Year interval	Person-year at risk	Event	Incidence rate	95% CI
0–3 years	1443.67	20	0.014	0.009–0.021
4–6 years	1142.74	73	0.064	0.051–0.080
Above 6 years	372.9	49	0.131	0.099–0.173
Total	2959.31	142	0.048	0.040–0.057