Forest plot of ISR-free survival (random effects model, P = 0.058) (A); Sensitivity analysis of the model assuming that each study is omitted separately [ln (HR)] (B); Funnel plot with pseudo 95% confidence limits (C). Abbreviations: HR, hazard ratio; CI, confidence interval; REML, restricted maximum likelihood; BMSI, bare metal stent implantation; DESI, drug-eluting stent implantation; ISR, in-stent restenosis.</p