*Comorbidities include MI, angina, AF, valvular heart disease or hypertension, CVA/TIA, COPD/asthma, diabetes or pre-existing renal failure (not AKI).
†An AMT4 score ≤3 is comparable to an AMTS ≤6 with a positive predictive value (PPV) of 0.82 and negative predictive value (NPV) of 0.98.4