Natural history of a randomized trial comparing distal spleno-renal shunt with endoscopic sclerotherapy in the prevention of variceal rebleeding: A lesson from the past

Table 4 Results (actuarial survival curves and log-rank test) of the univariate analysis of some variables calculated during different interval of follow-up

Variables	P (at 5 yr)	P (at 10 yr)	P (total follow-up)
Type of treatment (DSRS vs ES)	0.0385	0.1415	0.1168
Sex	0.2186	0.3374	0.1943
Child’s score (A vs B)	0.0358	0.2533	0.1594
Etiology of cirrhosis (non-alcohol vs alcohol)	0.2891	0.0749	0.0438
Portal perfusion	0.2671	0.3579	0.3158
Preop. Ascites	0.3339	0.9022	0.9254
Preop. encephalopathy	0.6544	0.9857	0.8732
Preop. Varices	0.6513	0.4552	0.3858
No. of previous bleeding	0.1724	0.2739	0.1308
Preop. Bilirubin	0.2944	0.3358	0.0604
Preop. GOT	0.4504	0.2659	0.2553
Preop. Prothrombin time	0.2835	0.5629	0.4815
Preop. Albumin	0.7440	0.2133	0.1823
Age (< 53 yr)	0.1419	0.0431	0.0438
Postop. Rebleeding	0.1715	0.1168	0.0819

Preop: Preoperative; Postop: Postoperative.