Given the unmet need for mortality biomarkers in critical asthma, this study specifically examined neutrophil percentage-to-albumin ratio's (NPAR's) correlation with ICU and in-hospital death.<h4>Materials and methods</h4>We selected 1191 eligible asthma patients from the Medical Information Mart for Intensive Care-IV (MIMIC-IV) 3.0 database for analysis. Here, ALB is linked to asthma.