Table 4.

Results of Firth logistic regressions predicting 28-day mortality

Model	OR (95% CI)	p-value
Primary
(Intercept)	0.020 (<0.001 to 1.48)	0.08
PC1	1.16 (1.01 to 1.35)	0.04
SBP	1.02 (0.974 to 1.06)	0.47
First ancillary
(Intercept)	0.089 (0.024 to 0.225)	<0.001
PC1	1.18 (1.03 to 1.38)	0.02
Second ancillary
(Intercept)	0.022 (0.001 to 0.328)	0.004
PC1	1.15 (0.998 to 1.34)	0.05
APACHEII	1.06 (0.962 to 1.17)	0.26
Third Ancillary
(Intercept)	0.048 (0.007 to 0.17)	<0.001
PC1	1.22 (1.06 to 1.46)	0.008
NEE dose	174.8 (0.57 to 10.5x105)	0.07