showed a trendp=0.073
preoperative biliary drainage direct surgery resectable periampullary cancer obstructive jaundice postoperative outcomes Faculty of Medicine, Prince of Songkla University 10.13039/501100010804 In the univariable analyses exploring the factors associated with 1-year mortality ( Figure 2 ), PBD showed a trend towards a lower 1-year mortality rate with an odds ratio (OR) of 0.42 (95%CI: 0.16-1.08, p=0.073).