Research Article
A Risk-Scoring Model for the Prediction of Endometrial Cancer among Symptomatic Postmenopausal Women with Endometrial Thickness > 4 mm
Table 3
Sensitivity, specificity, PPV, NPV, LR+, LR−, pre-, and posttest probability for each score of our risk-scoring model.
| Cut-off score | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | LR+ | LR− | Pretest probability | Posttest probability |
| ≥0 | 100 | 0.0 | 11.5 | — | — | — | 11.5% | — | ≥1 | 100 | 21.7 | 14.3 | 100 | — | 0.00 | 11.5% | 0.0% | ≥2 | 100 | 34.8 | 16.7 | 100 | — | 0.00 | 11.5% | 0.0% | ≥3 | 93.7 | 54.9 | 21.3 | 98.5 | — | 0.11 | 11.5% | 1.3% | ≥4 | 87.5 | 80.1 | 36.5 | 98.0 | — | 0.16 | 11.5% | 1.9% | ≥5 | 70.8 | 85.3 | 38.6 | 95.7 | — | 0.34 | 11.5% | 4.0% | ≥6 | 50.0 | 91.3 | 42.9 | 93.3 | — | 0.55 | 11.5% | 6.3% | ≥7 | 31.2 | 97.5 | 62.5 | 91.6 | — | 0.70 | 11.5% | 7.9% | >7 | 0 | 100 | — | 88.5 | — | 1.00 | 11.5% | 11.5% |
| ≥0 | 100 | 0.0 | 11.5 | — | 1.00 | — | 11.5% | 11.5% | ≥1 | 100 | 21.7 | 14.3 | 100 | 1.28 | — | 11.5% | 13.6% | ≥2 | 100 | 34.8 | 16.7 | 100 | 1.53 | — | 11.5% | 15.8% | ≥3 | 93.7 | 54.9 | 21.3 | 98.5 | 2.08 | — | 11.5% | 20.3% | ≥4 | 87.5 | 80.1 | 36.5 | 98.0 | 4.41 | — | 11.5% | 35.1% | ≥5 | 70.8 | 85.3 | 38.6 | 95.7 | 4.83 | — | 11.5% | 37.2% | ≥6 | 50.0 | 91.3 | 42.9 | 93.3 | 5.75 | — | 11.5% | 41.4% | ≥7 | 31.2 | 97.5 | 62.5 | 91.6 | 12.8 | — | 11.5% | 61.1% | >7 | 0 | 100 | — | 88.5 | — | — | 11.5% | — |
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PPV = positive predictive value; NPV = negative predictive value; LR+ = positive likelihood ratio; LR− = negative likelihood ratio.
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