Table 2.

Baseline information of the three databases.

Characteristic	Mimic iv dataset	eICU dataset	BFH dataset
Number	30042	2100	419
Number of positives %	1444 (4.8)	100 (4.8)	21 (5.0)
Sex,(Male %)	16881 (56.2)	1118 (53.2)	254 (60.6)
Age (years)	66.00 [54.00, 77.00]	65[53.0, 76.0]	56.0[42.0, 66.5]
First Day Status
GCS (IQR)	14.00 [10.00, 15.00]	14.00 [10.00, 15.00]	15.00 [15.00, 15.00]
SOFA (IQR)	5.00 [3.00, 8.00]	6.00 [4.00, 8.00]	1.07 [0.00, 0.00]
Heart Rate(bpm) (IQR)	87.00 [75.00, 102.00]	88.0 [74.0, 103.0]	81.0[68.0, 99.5]
Respiratory Rate(IQR)	18.00 [15.00, 23.00]	19.0 [16.0, 23.0]	16.0 [15.0, 18.0]
Temperature(IQR)	36.72 [36.39, 37.06]	36.80 [36.40, 37.10]	36.30[36.00, 36.85]
WBC(IQR)	10.90 [7.80, 15.40]	10.50 [7.60, 14.81]	9.70 [6.50, 13.00]
RDW(IQR)	14.60 [13.40, 16.30]	14.70 [13.50, 16.30]	13.10 [12.20, 14.60]
Renal Replacement Therapy(%)	1608 (5.4)	89 (4.2)	26 (6.2)
Ventilation(%)	13198 (43.9)	338 (16.1)	330 (78.8)
Pre-comorbidities
Myocardial Infarct(%)	5529 (18.4)	109 (5.2)	8 (1.9)
Congestive Heart Failure(%)	9966 (33.2)	178 (8.5)	44 (10.5)
Peripheral Vascular Disease(%)	3832 (12.8)	34 (1.6)	2 (0.5)
Cerebrovascular Disease(%)	5580 (18.6)	160 (7.6)	46 (11.0)
Dementia(%)	1145 (3.8)	3 (0.1)	1 (0.2)
Chronic Pulmonary Disease(%)	8215 (27.3)	195 (9.3)	2 (0.5)
Rheumatic Disease(%)	1074 (3.6)	7 (0.3)	10 (2.4)
Peptic Ulcer Disease(%)	873 (2.9)	16 (0.8)	10 (2.4)
Paraplegia(%)	2047 (6.8)	6 (0.3)	10 (2.4)
Renal Disease(%)	7202 (24.0)	214 (10.2)	18 (4.3)
Malignant Cancer(%)	3990 (13.3)	123 (5.9)	99 (23.6)
Metastatic Solid(%) Tumor(%)	1897 (6.3)	18 (0.9)	68 (16.2)
Aids(%)	234 (0.8)	5 (0.2)	0 (0.0)
Liver Disease(%)	4063 (13.5)	61 (2.9)	45 (10.7)
Diabetes(%)	9339 (31.1)	84 (4.0)	46 (11.0)
Outcomes
Los in ICU(d)	3.83 [2.71, 6.47]	1.92 [1.04, 3.62]	1.00 [1.00, 3.00]