Comparison of risk scores for the prediction of 30-day mortality after TAVI on the basis of the MIMIC-IV database

The aim of this study was to investigate the baseline characteristics of patients admitted to the ICU after TAVI and the ability of six scores (Acute physiology score III(APSIII), Sequential Organ Failure Assessment(SOFA), Logistic Organ Dysfunction Score(LODS), Systemic Inflammatory Response Syndrome Score(SIRS), oxford acute severity of illness score(OASIS) and Simplified Acute Physiological Score II(SAPSII)) for the severity of ill in critically illness patients on the first day in the ICU with regard to the predict 30-day mortality risk. Data regarding patients who were undergoing TAVI were extracted from the database of MIMIC-IV.The AUCs for APSIII, SOFA, LODS, SIRS, OASIS and SAPSII were 0.882, 0.791, 0.882, 0.669, 0.845 and 0.774. Among the six scoring systems, the OASIS score had the highest sensitivity at 90.5%, while the LODS score had the highest specificity at 83.5%. Clinical decision curves revealed that APSIII had the largest area under the curve, and a slightly better net benefit within the threshold. In intensive care patients with TAVI, APSIII may be a better indicator of short-term mortality.