Evaluation of the performance of disease severity indices (SOFA, SAPS III, and MPM II) for the prediction of mortality rate in COVID-19 patients admitted to the intensive care units: a retrospective cross-sectional study

Table 4 Pairwise comparison of ROC curves

Variables	Difference between areas	Standard Error	95% Confidence Interval	z statistic	p-value
SOFA ~ SAPS	0.066	0.030	0.00737 to 0.125	2.206	0.0274
SOFA ~ MPM	0.081	0.035	0.0123 to 0.150	2.309	0.0209
SAPS ~ MPM	0.015	0.027	−0.0381 to 0.0688	0.563	0.5735

SAPS Simplified Acute Physiology Score, SOFA The Sequential Organ Failure Assessment, MPM Mortality Probability Model

ISSN: 1471-2334