Fig. 1From: Factors affecting survival in patients with endobronchial malignant mass after flexible Bronchoscopic cryotherapy: a cohort studyProportion of patients having received chemotherapy and cryotherapy (………) and patients having received cryotherapy only () traced using the Kaplan-Meier method. Median, 472 vs. 169 days; log-rank test, p= 0.02; hazard ratio, 0.39; 95% confidence interval, 0.16-0.89Back to article page