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. 2015 Sep;22(5):57–63.

Table 4.

Sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) of validation result

Model 1 Model 2
Sensitivity 72.4% 65.5%
Specificity 82.3% 81.9%
PPV 39.6% 36.5%
NPV 94.9% 93.7%

Minimum probability to cover all patients with ROP from validation data is at least 0.01 for both models.