Table 4.

Predictors of Early Out of Hospital Mortality (Full model including NFMC modeled as a time-dependent covariate):

Variable	Hazard Ratio	p value
Body Mass Index (lbs/in2)	0.95 [0.92, 0.99]	0.0098
Coagulopathy	3.05 [1.29, 7.17]	0.0108
Serum creatinine	1.09 [1.03, 1.15]	0.0017
Liver disease	2.84 [1.20, 6.73]	0.0174
Total Mini Mental State Exam	0.95 [0.90, 1.00]	0.0458
NFMC	1.81 [1.16, 2.83]	0.0087
STS Risk Score	1.07 [1.02, 1.11]	0.002

Multivariate predictors using stepwise Cox regression with entry/stay criteria of 0.1/0.1

Potential covariates include: Baseline variables as in table 3, NFMC