Table 3.

Association between NLR and mortality

Exposure	Non-adjusted		Adjusted
	OR (95% CI)	P	OR (95% CI)	P
In-hospital mortality
≤1	2.56 (2.07 to 3.15)	<0.001	1.61 (1.26 to 2.05)	<0.001
1–6	1		1
>6	2.27 (2.09 to 2.46)	<0.001	1.59 (1.46 to 1.74)	<0.001
90-day mortality
≤1	1.96 (1.65 to 2.33)	<0.001	1.48 (1.18 to 1.85)	<0.001
1–6	1		1
>6	2.08 (1.95 to 2.22)	<0.001	1.60 (1.48 to 1.43)	<0.001
1-year mortality
≤1	2.07 (1.74 to 2.47)	<0.001	1.51 (1.23 to 1.86)	<0.001
1–6	1		1
>6	1.97 (1.85 to 2.09)	<0.001	1.38 (1.29 to 1.48)	<0.001

Adjusted confounders: age, sex, ethnicity, ICU type and SAPS II.

ICU, intensive care unit; NLR, neutrophil-to-lymphocyte ratio; SAPS, Simplified Acute Physiology Score.