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%	—

PPV = positive predictive value; NPV = negative predictive value; LR+ = positive likelihood ratio; LR− = negative likelihood ratio.