1. Volume 150, Issue 4, Pages 837-859 (October 2016)
Pulmonary Rehabilitation as a Mechanism to Reduce Hospitalizations for Acute Exacerbations of COPD 
Elizabeth Moore, MSc, Thomas Palmer, MSc, Roger Newson, PhD, Azeem Majeed, PhD, Jennifer K. Quint, PhD, Michael A. Soljak, PhD 
CHEST 
Volume 150, Issue 4, Pages (October 2016)
DOI: /j.chest
Copyright © 2016 American College of Chest Physicians Terms and Conditions

2. Figure 1
Flow chart showing the screening of articles. RCT = randomized controlled trial.
CHEST  , DOI: ( /j.chest )
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3. Figure 2
Admission rates per patient-year by study type and treatment. PR = pulmonary rehabilitation. See Figure 1 legend for expansion of other abbreviation.
CHEST  , DOI: ( /j.chest )
Copyright © 2016 American College of Chest Physicians Terms and Conditions

4. Figure 3
Admission rate ratios (PR/Control) by study type. See Figure 1 and 2 legends for expansion of abbreviations.
CHEST  , DOI: ( /j.chest )
Copyright © 2016 American College of Chest Physicians Terms and Conditions

5. Figure 4
Differences in admission rate per person-year (PR/Control) by study type. See Figure 1 and 2 legends for expansion of abbreviations.
CHEST  , DOI: ( /j.chest )
Copyright © 2016 American College of Chest Physicians Terms and Conditions

6. Figure 5
Results from individual studies. A, Person-years at risk. B, Admission rates per person-year at risk. See Figure 1 and 2 legends for expansion of abbreviations.
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7. Figure 6
Admission rates per patient-year by study type and year for stable patients with COPD. See Figure 1 and 2 legends for expansion of abbreviations.
CHEST  , DOI: ( /j.chest )
Copyright © 2016 American College of Chest Physicians Terms and Conditions

8. Figure 7 Risk of bias assessment in randomized controlled trials.
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Copyright © 2016 American College of Chest Physicians Terms and Conditions

9. Figure 8 Risk of bias assessment in cohort studies.
CHEST  , DOI: ( /j.chest )
Copyright © 2016 American College of Chest Physicians Terms and Conditions