Table 3.

Characteristics of ICU patients in eICU-CRD and MIMIC-III.

Items	eICU-CRD	MIMIC-III
Total number	117,306	42,932
Age/years	61.6 ± 16.6	62.0 ± 16.5
Gender, n (%)
Male	64,244 (54.8%)	24,740 (57.6%)
Female	53,049 (45.2%)	18,192 (42.4%)
SAPS II score	30.0 ± 13.3	32.7 ± 12.7
LOS-ICU (IQR1)/day	1.8 (1.0–3.2)	2.1 (1.2–4.0)
PLOS-ICU, n (%)	31,296 (26.7%)	14,951 (34.8%)

IQR¹, interquartile range.