. Author manuscript; available in PMC: 2017 Dec 1.

Published in final edited form as: Crit Care Med. 2016 Dec;44(12):2182–2191. doi: 10.1097/CCM.0000000000002001

Table 2.

LIPS performance and association of LIPS with ARDS or the Composite Outcome (ARDS or death) in the full cohort, excluding all deaths, and in the competing risk analysis

LIPS^a performance	ARDS (full cohort)	Composite (full cohort)	ARDS (excluding deaths)
LIPS [OR^b (95%CI^c)]	1.31 (1.21–1.42)	1.26 (1.18, 1.34)	1.31 (1.18, 1.45)
LIPS≥4 [OR (95%CI)]	4.17 (2.26, 7.72)	2.43 (1.68, 3.49)	3.40 (1.59, 7.26)
Sensitivity (95%CI)	90.3 (83.7, 94.9)	83.3 (78.2, 87.6)	87.5 (76.8, 94.4)
Specificity (95%CI)	30.9 (27.6–34.3)	32.7 (29–36.5)	32.7 (29–36.5)
Positive predictive value (95%CI)	17.3 (14.4, 20.4)	33.9 (30.3, 37.7)	11.5 (8.86, 14.7)
Negative predictive value (95%CI)	95.2 (91.8–97.5)	82.5 (77.2, 87)	96.3 (92.8, 98.3)

LIPS, lung injury prediction score

OR, odds ratio

CI, confidence interval