Table 1.

Demographic and clinical characteristics of the patients stratified by neutrophil to lymphocyte ratio (NLR).

	All	NLR <9	NLR ≥9	p value	n
	n = 6893	n = 6591	n = 302
Age, years, n (%)				<0.001	3343
≥70	215 (6.43%)	173 (5.55%)	42 (18.4%)
50-70	1072 (32.1%)	940 (30.2%)	132 (57.9%)
<50	2056 (61.5%)	2002 (64.3%)	54 (23.7%)
Gender, n (%)				<0.001	3343
Female	1132 (33.9%)	1087 (34.9%)	45 (19.7%)
Male	2211 (66.1%)	2028 (65.1%)	183 (80.3%)
ICU admission, median (IQR)	0 (0–4)	0 (0–3)	2 (0–10)	<0.001	3343
LOS, admission to discharge, median (IQR), days	13 (2–31)	13 (2–31)	13(2–35)	0.358	2886
ICU LOS, median (IQR), days	9 (0–38)	10 (0–39)	8 (0–30)	0.141	408
Mortality, n (%)	172 (2.50%)	40 (0.61%)	132 (43.7%)	<0.001	6893

ICU; intensive care unit; IQR, interquartile range; LOS, length of hospital stay.