Table 3.

Final model

Variable	OR	β	P value
Intercept	…	1.0528	< .0001
Mechanical ventilator	3.762	0.6624	< .0001
SNF or CCH or infection	2.995	1.097	< .0001
Connective tissue disease	3.774	0.6641	.0291
Hemiplegia	3.539	0.6320	.0304

Note. SNF, skilled nursing facility; CCH, chronic care hospital; Infection, infection history in the last six months prior to index infection.

ROC area = 0.7056.

Concordance = 84.3% (concordant pairs + ties).