Fig. 4

Association between a-MAP and 30-day mortality according to baseline characteristics. Each stratification adjusted for all the factors (age, sex, heart rate, respiratory rate, temperature, first day's urine output, admission years, WBC, platelet, BUN, sCr, sodium, potassium, lactate level, congestive heart failure, diabetes, CCI, SAPS-II, OASIS, SOFA score, and vasopressor therapy) except the stratification factor itself. T1 (< 73 mmHg), T2 (73–80 mmHg), T3 ((≥ 80 mmHg).