Table 5

Predicted in-hospital mortality rate and real in-hospital mortality rate of APACHE II, SAPS II, SOFA and ATN-ISI severity score systems on critically ill patients with acute kidney injury

Predicted mortality rateAPACHE IIATN-ISISAPS IISOFA
SurvivalNon- survivalTotalSurvivalNon- survivalTotalSurvivalNon- survivalTotalSurvivalNon- survivalTotal
<0.510816124106201261072112810820128
≥0.5115465135063124961115061
Total11970189119701891197018911970189
Kappa test0.6890.6180.6150.639
P value of McNemar test0.4420.2960.1630.150
  • APACHE II, Acute Physiology and Chronic Health Evaluation version II; ATN-ISI, Acute Tubular Necrosis Individual Severity Index; SAPS II, Simplified Acute Physiology Score version II; SOFA, Sepsis-related Organ Failure Assessment.