Table 2.

Multivariate models for hospital mortality and LOS

MortalityAdjusted Mortality Pre-CDSSAdjusted Mortality Post-CDSS
ModelOR (95% CI)P ValueNo AKI, %AKI, %No AKI, %AKI, %
Logistic model with robust standard error accounting for intra-patient clustering0.76 (0.70 to 0.83)<0.0012.19.11.44.9
Mixed effects0.76 (0.70 to 0.83)<0.0011.88.31.24.5
LOSAdjusted LOS Pre-CDSSAdjusted LOS Post-CDSS
ModelIRR (95% CI)P ValueNo AKI, dAKI, dNo AKI, dAKI, d
Negative binomial model with robust standard error accounting for intra-patient clustering0.87 (0.85 to 0.90)<0.0015.89.55.27.4
Mixed effects0.91 (0.89 to 0.92)<0.0014.77.24.36.0