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| RDR detection | Value | 95% CI |
|---|---|---|
| Sensitivity | 86.72% | 83.39–90.05% |
| Specificity | 96.09% | 94.14–97.54% |
| Accuracy | 92.20% | 90.33–93.82% |
| PPV | 94.02% | 91.09–96.22% |
| NPV | 91.08% | 88.49–93.25% |
RDR, referable diabetic retinopathy (stage II or more severe diabetic retinopathy); CI, confidence interval; PPV, positive predictive value; NPV, negative predictive value.
