In the univariate analysis, several factors were significantly associated with prolonged LOS, including sex, smoking history, drinking history, hypertension, CHD, CI, PSH, AST, ALT, TGs, NLR, LMR, PLR, NPAR, CREA, UA, LDL-C, HDL-C, ALB, and GFR (p < 0.05). This evidence concerns the gene ALB and Hypertension.