Table 2.

Multivariate models for hospital mortality and LOS

Mortality			Adjusted Mortality Pre-CDSS		Adjusted Mortality Post-CDSS
Model	OR (95% CI)	P Value	No AKI, %	AKI, %	No AKI, %	AKI, %
Logistic model with robust standard error accounting for intra-patient clustering	0.76 (0.70 to 0.83)	<0.001	2.1	9.1	1.4	4.9
Mixed effects	0.76 (0.70 to 0.83)	<0.001	1.8	8.3	1.2	4.5
LOS			Adjusted LOS Pre-CDSS		Adjusted LOS Post-CDSS
Model	IRR (95% CI)	P Value	No AKI, d	AKI, d	No AKI, d	AKI, d
Negative binomial model with robust standard error accounting for intra-patient clustering	0.87 (0.85 to 0.90)	<0.001	5.8	9.5	5.2	7.4
Mixed effects	0.91 (0.89 to 0.92)	<0.001	4.7	7.2	4.3	6.0