Postoperative survival analysis and prognostic nomogram model for patients with portal hypertension

Table 3 Multivariate Cox regression analysis of overall survival and bleeding free survival

Parameter	B	SE	P value	RR	95%CI
OS
Age	0.06	0.02	0.00	1.06	1.03-1.09
Operative time	0.01	0.00	0.01	1.01	1.00-1.02
ALT	0.01	0.00	0.00	1.01	1.00-1.01
ALBI score	1.03	0.37	0.01	2.79	1.36-5.72
BFS
Male	1.17	0.40	0.00	3.22	1.48-7.01
Age	0.05	0.02	0.01	1.05	1.01-1.09
Intraoperative blood loss	0.00	0.00	0.05	1.00	1.00-1.01
Time to first flatus	0.23	0.10	0.02	1.26	1.04-1.53
DSS
CCI	0.06	0.01	0.00	1.06	1.05-1.08
Age	0.04	0.01	0.00	1.04	1.02-1.06

ALT: Alanine transaminase; ALBI: Albumin-bilirubin; B: Regression coefficient; SE: Standard error; RR: Relative risk; CI: Confidence interval.