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|
Group
|
Criterion (cut off) value
|
Sensitivity (95% CI
|
Specificity (95% CI)
|
+PV
|
−PV
|
AUC
|
Z value
|
p value
|
|---|
|
NO DR
|
> 0.68
|
100.00 (84.4–100.0)
|
95.45 (77.1–99.2.)
|
95.7
|
100.0
|
0.999
|
100.69
|
< 0.001
|
|
NPDR
|
> 0.69
|
76.00 (54.9–90.6)
|
100.00 (84.4–100.0)
|
100.0
|
78.6
|
0.841
|
5.87
|
< 0.001
|
|
PDR
|
> 0.69
|
95.45 (77.1–99.2)
|
100.00 (84.4–100.0)
|
100.0
|
95.7
|
0.955
|
13.76
|
< 0.001
|
|
Total
|
> 0.69
|
88.41 (78.4–94.8)
|
100.00 (84.4–100.0)
|
100.0
|
73.3
|
0.928
|
16.22
|
< 0.001
|
- +PV, positive predictive value; −PV, negative predictive value; AUC, area under the curve; NA, not applicable, NO DR no diabetic retinopathy, NPDR non proliferative diabetic retinopathy, PDR proliferative diabetic retinopathy
