Table 2.

Characteristics of lab tests considered as outcomes for modeling purposes.

Outcomes	Mean ± S.D.	Units	Mean tests per patient per admission (max–min)
Calcium	8.30± 0.89	[mg/dl] in serum or plasma	9.42 (1–134)
PTT	45.69 ± 25.07	Partial thromboplastin time [s]	9.55 (1–131)
INR	1.70 ± 0.93	ratio of sample’s PTT to normal PT	13.22 (1–130)
Hematocrit	29.55 ± 4.09	[% volume fraction] of blood (%)	14.75 (1–186)
Hemoglobin	10.07 ± 1.46	[mg/dl] in blood	9.53 (1–124)
Fibrinogen	272.20 ± 149.43	[mg/dl] in platelet poor plasma	2.47 (1–64)
Lactate	3.29 ± 3.33	[mol/ml] in blood	4.81 (1–126)
Platelets	178.33 ± 143.52	[#/ml] in blood	10.37 (1–141)