Table 4.

Pairwise comparison of ROC curves of the different scoring systems within training set.

Scoring system	Difference between AUROC	SE	95% CI	Z statistic	P value
qSOFA + SII ∼ qSOFA	0.089	0.0216	0.047–0.131	4.112	0.0001
qSOFA + SII ∼ SOFA	0.186	0.0478	0.092–0.280	3.893	0.0001
qSOFA ∼ SOFA	0.097	0.0464	0.006–0.188	2.091	0.0365