Table 3.
Sensitivity, Specificity, and Kappa for Any Diabetic Retinopathy and Vision-Threatening Diabetic Retinopathy
Diabetic Retinopathy |
Vision-Threatening Diabetic Retinopathy |
||||||
---|---|---|---|---|---|---|---|
Camera | Estimate Type | Sensitivity (95% CI) | Specificity (95% CI) | Kappa (95% CI) | Sensitivity (95% CI) | Specificity (95% CI) | Kappa (95% CI) |
Nonmydriatic | Raw | 81 (75–86) | 94 (92–96) | 0.76 (0.71–0.82) | 54 (40–67) | 99 (98–100) | 64 (52–76) |
Correlated | 84 (76–91) | 96 (93–98) | 52 (33–71) | 98 (97–100) | |||
IPhone (Apple Inc., Cupertino, CA) | Raw | 50 (43–56) | 94 (92–97) | 0.48 (0.41–0.56) | 59 (46–72) | 100 (99–100) | 71 (60–82) |
Correlated | 51 (41–61) | 93 (89–96) | 56 (36–74) | 100 (99–100) |
CI = confidence interval.