showed a trendp = 0.009
While overall survival was not different between the groups (HR 0.62; 95% CI 0.36–1.07; p = 0.09; I 2 = 80%;), the subgroup analysis of studies employing plastic stents showed a trend toward better survival in the RFA-treated group (HR 0.42; 95% CI 0.22–0.80; p = 0.009; I 2 = 72%).