Fig. 1From: Long-term follow-up of self-expandable metallic stents in benign tracheobronchial stenosis: a retrospective studyStent survival curves Kaplan-Meier curves showing survival time for covered and uncovered stents implantation in patients with benign tracheobronchial stenosis (median 25 days vs 1339 days, P < 0.0001)Back to article page