Table 2.

Odds ratio of all complications along with their respective publication bias (SEMS versus PS).

Variable	Metal versus plastic stents: odds ratio with 95% CI
Cholangitis	0.46 (95% CI = 0.31–0.69)
Stent migration	0.45 (95% CI = 0.15–1.37)
Cholecystitis	1.85 (95% CI = 0.45–7.56)
Pancreatitis	0.80 (95% CI = 0.33–1.96)
Occlusion rate	0.48 (95% CI = 0.34–0.67)