Table 3.

Ventilator-free, ICU-free, and specific organ system failure-free days by GDF-15 quartile.

	Quartile 1	Quartile 2	Quartile 3	Quartile 4	P value
Ventilator-free days	22 [17,24]	19 [2,23]	12 0[23]	2 0[20]	<0.001
ICU-free days	20 [13,23]	17 [6,21]	10 0[20]	0 0[19]	<0.001
Cardiovascular	26 [21,28]	24 [18,27]	24 [14,26]	19 [1,26]	<0.001
Central nervous system	28 [21,28]	21 [21,28]	21 0[28]	8 0[21]	<0.001
Coagulation	28 [28,28]	28 [24,28]	28 [14,28]	20 [1,28]	<0.001
Renal	28 [28,28]	28 [27,28]	28 [2,27]	14 [2,27]	<0.001
Hepatic	28 [28,28]	28 [25,28]	28 [18,28]	15 [2,28]	<0.001

Data are presented as median [interquartile range].