Research Article

Diabetic Retinopathy in Type 2 Diabetes Mellitus Patients Attending the Diabetic Clinic of the University of Gondar Hospital, Northwest Ethiopia

Table 4

Prevalence of retinopathy and maculopathy with time since diagnosis among T2DM patients.

Time since diagnosis (years)
≤56 – 1011+Total

Number of patientsa389183101673
Retinopathy, n (%)b36 (9.3)30 (16.4)42 (41.6)108 (16.0)
Maculopathy, n (%)27 (6.9)22 (12.0)26 (25.7)75 (11.1)

aNumber of patients with interpretable retinal photographs. bSeverity of retinopathy—nonproliferative (n): 33 mild, 53 moderate, 17 severe; proliferative (n): 1 early, 4 advanced. Time since diagnosis vs. retinopathy, (chi-square test for trend). Time since diagnosis vs. maculopathy, (chi-square test for trend).