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. 2020 Aug 10;16(5):1040–1048. doi: 10.5114/aoms.2020.97965

Table V.

Assessment of cut-off values for CPIS

CPIS Sensitivity (95% CI) Specificity (95% CI) PPV (95% CI) NPV (95% CI)
> 3 100 (89.1, 100.0) 21.7 (10.9, 36.4) 47.1 (34.8, 59.6) 100 (69.2, 100.0)
> 4 100 (89.1, 100.0) 47.8 (32.9, 63.1) 57.1 (43.2, 70.3) 100 (84.6, 100.0)
> 5 78.1 (60.0, 90.7) 69.6 (54.2, 82.3) 64.1 (47.2, 78.8) 82.1 (66.5, 92.5)
> 6 43.8 (26.4, 62.3) 82.6 (68.6, 92.2) 63.6 (40.7, 82.8) 67.9 (54.0, 79.7)
> 7 37.5 (21.1, 56.3) 100 (92.3, 100.0) 100 (73.5, 100.0) 69.7 (57.1, 80.4)
> 8 21.9 (9.3, 40.0) 100 (92.3, 100.0) 100 (59.0, 100.0) 64.8 (52.5, 75.8)
> 9 18.8 (7.2, 36.4) 100 (92.3, 100.0) 100 (54.1, 100.0) 63.9 (51.7, 74.9)
> 10 6.3 (0.8, 20.8) 100 (92.3, 100.0) 100 (15.8, 100.0) 60.5 (48.6, 71.6)
> 11 0 (0.0, 10.9) 100 (92.3, 100.0) 0 59 (47.3, 70.0)

PPV – positive predictive value, NPV – negative predictive value, CPIS – Clinically Pulmonary Infection Score.