In the eICU dataset, the in-hospital mortality group had higher proportions of valve disease, AF, HF and CKD, were more elderly, had increased heart rate, SCr, anion gap, ALT, AST, and SOFA score, and used more vasoactive drugs, but had decreased levels of PLT, Hb and bicarbonate, and a lower proportion of male patients (Table 1). Here, GPT is linked to atrial fibrillation.