Prediction of in-hospital mortality in patients on mechanical ventilation post traumatic brain injury: machine learning approach

Table 2 Sample characteristics- continuous variables

Variable	N	Mean	SD	Mean at death
Age	785	33	13.4	36.9
Injury severity score (ISS)	785	28.2	10.4	33.8
ED systolic blood pressure (SBP)	785	126.34	27.7	119
ED heart rate (HR)	785	102.8	25	107.7

ISSN: 1472-6947