Table 4.

Discriminatory performance of procalcitonin for detection of sepsis after cardiopulmonary bypass.

	CUTTOFF	SENSITIVITY (95% CI)	SPECIFICITY (95% CI)	POSITIVE PV, %	NEGATIVE PV, %	POSITIVE LIKELIHOOD RATIO, % (95% CI)	NEGATIVE LIKELIHOOD RATIO, % (95% CI)
PCT 24 h	>4 ng/mL	75.00 (19.4–99.4)	75.6 (53.7–86.9)	28.34	95.92	2.75 (1.3–6.1)	0.34 (0.06–1.9)
PCT 48 h	>5 ng/mL	87.5 (29.6–99.7)	72.6 (53.5–86.4)	29.12	97.83	3.17 (1.6–6.3)	0.34 (0.06–1.9)
PCT 72 h	>5.5 ng/mL	62.5 (13.1–96.3)	83.9 (66.3–94.5)	32.64	94.53	3.9 (1.3–11.7)	0.45 (0.1–1.6)

Abbreviations: CI, confidence interval; PCT, procalcitonin; PV, predictive value.