Impact of COPD on Outcome Among Patients With Complicated Peptic Ulcer Steffen Christensen, MD, Reimar W. Thomsen, MD, PhD, Marie Louise Tørring, MA, Anders Riis, MSc, Mette Nørgaard, MD, PhD, Henrik T. Sørensen, MD, DMSc CHEST Volume 133, Issue 6, Pages 1360-1366 (June 2008) DOI: 10.1378/chest.07-2543 Copyright © 2008 The American College of Chest Physicians Terms and Conditions
Figure 1 Unadjusted survival curves for patients with COPD and without COPD hospitalized for perforated peptic ulcers (top) and bleeding peptic ulcers (bottom). CHEST 2008 133, 1360-1366DOI: (10.1378/chest.07-2543) Copyright © 2008 The American College of Chest Physicians Terms and Conditions