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. 2020 Jan 17;68(Suppl 1):S42–S46. doi: 10.4103/ijo.IJO_1937_19

Table 3.

Sensitivity, specificity, and positive predictive and negative predictive values of any DR and different grades of DR by Fundus on Phone nonmydriatic camera in comparison to Zeiss mydriatic camera

Sensitivity % (95%CI) Specificity % (95% CI) PPV% (95% CI) NPV% (95% CI)
GRADE
 Any DR 75.2% (68.1,82.3) 95.2% (91.1,99.3) 95.5% (99.8,98.5) 73.9% (66.4,81.3)
 NPDR 71.6% (63.8,79.5) 94.9% (90.9,98.9) 93.8% (89.0,98.6) 75.7% (68.8,82.6)
 PDR 92.9% (79.4,100) 99.6% (98.7,100) 92.9% (66.1,99.8) 99.6% (97.6,99.9)
 DME 82.8% (73.6,92.1) 99.4% (96.9,99.9) 98.2% (90.1,99.9) 94.2% (90.9,97.5)
 STDR 82.9% (74.0,91.7) 98.9% (97.3,100) 96.7% (92.1,100) 93.5% (90.0,97.1)

DR: Diabetic Retinopathy; NPDR: Nonproliferative DR; PDR: Proliferative DR; DME: Diabetic Macular Edema; STDR: Sight threatening DR; PPV: Positive predictive value; NPV: Negative predictive value