. Author manuscript; available in PMC: 2016 Jul 1.

Published in final edited form as: Am J Infect Control. 2015 Apr 24;43(7):690–693. doi: 10.1016/j.ajic.2015.03.017

Table II. Predictive Model.

The mortality risk associated with each variable was calibrated from the regression coefficients into a points scale listed below

	Coefficients	Standard Error	z value	Pr(>\|z\|)	Points
Intercept^*	−5.765	0.881	−6.545	5.94e–11	NA
Charlson score^*	0.205	0.057	3.632	0.000	2
ln(WBC)	0.316	0.203	1.562	0.118	3
ln(BUN) ^†	0.490	0.232	2.109	0.035	5
Diagnosed in ICU	0.495	0.232	1.470	0.141	5
Delirium^*	1.079	0.320	3.369	0.001	11

p<0.001;

^†

p<0.010