Table 4.

Results of forward selection multivariate logistic regression analysis to determine patient characteristics of unexpected ICU transfer

Variable	OR (95% CI)	p
Lactate ≥4 (mmol/L)	2.0 (1.03, 3.73)	0.041
Nighttime admission (5 PM—7 AM)	1.9 (1.07, 3.33)	0.029

OR are presented as odds of early escalation of care to the ICU