ICU Mortality Prediction

Incorporating SHR into standard severity assessment alongside OASIS, BUN, age, and vasopressin use measurably improves 360-day mortality prediction. Non-survivors were older, had higher heart rates, longer ICU and hospital lengths of stay, higher OASIS scores, and greater vasopressin use than survivors. Non-survivors had significantly higher SHR but significantly lower HGI compared to survivors at 360 days. No prior study had directly compared both SHR and HGI in a general critically ill population before this work. Both SHR and HGI require only two routinely collected laboratory values, making them straightforward to compute at the bedside.