Table 2.

Clinical outcomes of the ICU patients

Clinical outcomes	Overall (n=21 822)	NLR			P
		≤1 (n=580)	1–6 (n=10 691)	＞6 (n=10 551)
Hospital mortality, n (%)	3149 (14.43)	122 (21.03)	1009 (9.44)	2018 (19.13)	<0.001
90-day mortality, n (%)	4534 (20.78)	155 (26.72)	1511 (14.13)	2868 (27.18)	<0.001
1-year mortality, n (%)	6234 (28.57)	211 (36.38)	2311 (21.62)	3712 (35.18)	<0.001
ICU length of stay (days)	2.08 (1.21, 4.13)	2.04 (1.08, 4.38)	1.96 (1.13, 3.46)	2.38 (1.33, 5.04)	<0.001
Hospital length of stay (days)	6.63 (3.79, 11.79)	7.35 (3.34, 15.86)	6.08 (3.63, 10.79)	7.00 (3.96, 12.67)	<0.001

Data are presented as median and IQR or number and percentage.

ICU, intensive care unit; NLR, neutrophil-to-lymphocyte ratio.