1. Volume 123, Issue 6, Pages 1887-1894 (June 2003)
Multilevel and Continuous Pleural Fluid pH Likelihood Ratios for Evaluating Malignant Pleural Effusionsa 
Heffner John E. , MD, FCCP, Heffner John N. , BA, Brown Lee K. , MD, FCCP 
CHEST 
Volume 123, Issue 6, Pages (June 2003)
DOI: /chest
Copyright © 2003 The American College of Chest Physicians Terms and Conditions

2. Figure 1
Multilevel (staircase lines) and continuous (curved lines) likelihood ratios for pleural fluid pH as an estimate of death within 3 months. Horizontal lines mark the likelihood ratio of 1.
CHEST  , DOI: ( /chest )
Copyright © 2003 The American College of Chest Physicians Terms and Conditions

3. Figure 2
Multilevel (staircase lines) and continuous (curved lines) likelihood ratios for pleural fluid pH as an estimate of failure of pleurodesis. Horizontal lines mark the likelihood ratio of 1.
CHEST  , DOI: ( /chest )
Copyright © 2003 The American College of Chest Physicians Terms and Conditions