Table 5
Overall grades of retinopathy assigned for patients screened
| Overall level of retinopathy or maculopathy | Number of patients (%) (95% CI) |
|---|---|
| R0: No diabetic retinopathy | 3485 (62.5) (61.2 to 63.7) |
| R1: Mild diabetic retinopathy | 1116 (20.0) (18.9 to 21.0) |
| R2: Moderate diabetic retinopathy | 17 (0.3) (0.2 to 0.5) |
| M1: Observable maculopathy | 111 (2) (1.7 to 2.4) |
| M2: Referable maculopathy | 131 (2.3) (2.0 to 2.8) |
| R3: Severe diabetic retinopathy | 36 (0.6) (0.5 to 0.9) |
| R4: Proliferative diabetic retinopathy | 18 (0.3) (0.2 to 0.5) |
| R6: Image is of a quality inadequate for grading | 661 (11.9) (11.0 to 12.7) |
