Table 4.

Comparisons of AUROCs among prediction models

Comparison pairs	P value
AUROC comparison among univariate models
APACHE II vs SOFA	0.419
APACHE II vs Bifidobacterium	0.927
SOFA vs Bifidobacterium	0.463
AUROC comparison between multivariate and univariate model
APACHE II plus Bifidobacterium vs APACHE II	0.035
APACHE II plus Bifidobacterium vs Bifidobacterium	0.012
SOFA plus Bifidobacterium vs SOFA	0.012
SOFA plus Bifidobacterium vs Bifidobacterium	0.007

APACHE II, Acute Physiology and Chronic Health Evaluation II; AUROC, area under receiver operating characteristic curve; CI, Confidence Interval; SOFA, sequential organ failure assessment.