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Table 4 Point estimates and 95% confidence interval of CA-125 at various cut off points

From: A prospective study to evaluate the risk malignancy index and its diagnostic implication in patients with suspected ovarian mass

Cut off True prevalence Sensitivity (%) Specificity (%) PPV (%) NPV (%) +LR Ratio -LR Ratio Odds Ratio Youden index Accuracy(%)
≥35 54.8 87 19.3 56.6 55 1.078 0.676 1.594 0.063 56.35
≥50 54.8 84.1 42.1 63.7 68.6 1.452 0.379 3.835 0.262 65.08
≥100 54.8 72.5 78.9 80.6 70.3 3.442 0.349 9.868 0.514 76.19
≥143 54.8 62.319 96.491 93.5 67.5 11.841 0.398 29.769 0.571 77.78