1. Volume 144, Issue 1, Pages 152-159 (July 2013)
Use of Intermittent Pneumatic Compression and Not Graduated Compression Stockings Is Associated With Lower Incident VTE in Critically Ill Patients 
Yaseen M. Arabi, MD, FCCP, Mohammad Khedr, MD, FCCP, Saqib I. Dara, MD, FCCP, Gousia S. Dhar, MBBS, Shaila A. Bhat, MBBS, Hani M. Tamim, MPH, PhD, Lara Y. Afesh, RN, MSN 
CHEST 
Volume 144, Issue 1, Pages (July 2013)
DOI: /chest
Copyright © 2013 The American College of Chest Physicians Terms and Conditions

2. Figure 1
Box plots for overlap of the multiple propensity scores among the three groups of devices used. GCS = graduated compression stockings; IPC = intermittent pneumatic compression; None = no mechanical thromboprophylaxis; Pr = propensity score.
CHEST  , DOI: ( /chest )
Copyright © 2013 The American College of Chest Physicians Terms and Conditions

3. Figure 2
Kaplan-Meier curves for VTE probabilities of the three categories of mechanical devices. See Figure 1 legend for expansion of abbreviations.
CHEST  , DOI: ( /chest )
Copyright © 2013 The American College of Chest Physicians Terms and Conditions