Table 5.

Probability, sensitivity, specificity, PPV, and NPV at various modified PEP score cutoffs. All values are in (%)

Modified PEP Score
Cutoff	Probability	Sensitivity	Specificity	PPV	NPV
9	96.68	18.75	100.00	100.00	90.00
7	80.92	31.25	98.29	71.43	91.27
6	61.83	43.75	97.44	70.00	92.68
5	38.22	75.00	95.73	70.59	96.55
4	19.11	87.50	83.76	42.42	98.00
3	8.27	87.50	79.49	36.84	97.89
2	3.33	100.00	39.32	18.39	100.00
0	0.50	100.00	.	12.03	.

NPV = negative predictive value; PPV = positive predictive value