Fig. 1

The correlation analysis by Spearman and Kendall methods. (A) The correlation between categorical variables and LOS. (B) The correlation between continuous variables and LOS. Abbreviations LOS, length of in-hospital stay; BMI, body mass index; SBP, systolic blood pressure; DBP, diastolic blood pressure; RDW, red cell distribution width; BUN, blood urea nitrogen; ALT, alanine transaminase; AST, aspartate aminotransferase; international normalized ratio; PT, prothrombin time; PTT, partial thromboplastin time; Na, sodium; K, potassium; Mg, magnesium