Journal of Manual & Manipulative Therapy · 2010 · 19 citations · 21 references
If the clinical usefulness of targeting treatments to subgroups of people is to be determined, an important step is a shared understanding of what different RCT designs can tell us about subgroups.
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Anthony Delitto, Richard E. Erhard, Richard W Bowling · Physical Therapy · 1995 · 509 citations
Diagnosis, Orthopedic Physical Therapy, Treatment-based Classification Approach +22
Identifying Subgroups of Patients With Acute/Subacute “Nonspecific” Low Back Pain
Gerard P. Brennan, Julie M. Fritz, Stephen J. Hunter et al. · Spine · 2006 · 448 citations