Figure 2. Literature flow diagram.

Figure 2Literature flow diagram

APS/ACP=American Pain Society/American College of Physicians, RCT=randomized controlled trial, SR=systematic review

a Cochrane databases include the Cochrane Central Register of Controlled Trials and the Cochrane Database of Systematic Reviews

b Other sources include prior reports, reference lists of relevant articles, systematic reviews, etc.

c Publications may be included or excluded for multiple interventions

d One publication was included in more than one intervention

From: Results

Cover of Noninvasive Treatments for Low Back Pain
Noninvasive Treatments for Low Back Pain [Internet].
Comparative Effectiveness Reviews, No. 169.
Chou R, Deyo R, Friedly J, et al.
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