marginally significantP=0.002
Using a fixed-effects model, the marginally significant reduction of the risk of post-ERCP abdominal pain associated with ulinastatin reached statistical significance (RR=0.71; 95% CI: 0.57–0.88; P=0.002; I 2 =67).
Using a fixed-effects model, the marginally significant reduction of the risk of post-ERCP abdominal pain associated with ulinastatin reached statistical significance (RR=0.71; 95% CI: 0.57–0.88; P=0.002; I 2 =67).