Is there still a role for the lung injury score in the era of the Berlin definition ARDS?

Annals of Intensive Care

Table 3 Lung Injury Score (LIS) and component scores according to in-hospital mortality in 550 patients on day of acute respiratory distress syndrome (ARDS) diagnosis ^a

Overall	Died N = 135	Lived N = 415	P-value
LIS score, mean ± SD	2.9 ± 0.6	2.7 ± 0.6	0.006^b
Chest radiograph score	4 (3 to 4)	4 (3 to 4)	0.77
PaO₂/FiO₂ category	4 (3 to 4)	3 (2 to 4)	< 0.001
PEEP category	2 (1 to 3)	2 (0 to 3)	0.02
Compliance category	3 (3 to 3)	3 (3 to 3)	0.48

^aPresented as median (interquartile range) and P-value presented as Wilcoxon-rank sum unless otherwise specified. P-values are similar using the Student’s t-test.
^bP-value generated using the Student’s t-test. P = 0.004 using Wilcoxon-rank sum statistic.