Responsiveness of the Brazilian–Portuguese version of the Oswestry Disability Index in subjects with low back pain

Reproducibility and responsiveness of health status measures statistics and strategies for evaluation

Richard A. Deyo, Paula Diehr, Donald L. Patrick · Controlled Clinical Trials · 1991 · 1.4K citations

Health Outcome, Patient Safety, Outcomes Research +5

Defining the clinically important difference in pain outcome measures

John T. Farrar, Russell K. Portenoy, Jesse A. Berlin et al. · Pain · 2000 · 1.1K citations

The clinical importance of changes in outcome scores after treatment for chronic low back pain

Olle Hägg, Peter Fritzell, Anders Nordwall · European Spine Journal · 2003 · 902 citations

Pain Therapy, Outcome Scores, Clinical Importance +10

Assessing the responsiveness of functional scales to clinical change: An analogy to diagnostic test performance

Richard A. Deyo, Robert M. Centor · Journal of Chronic Diseases · 1986 · 792 citations

Reliability, Psychiatry, Medicine +9

Risk factors in low-back pain. An epidemiological survey.

John W. Frymoyer, Malcolm H. Pope, Janice H. Clements et al. · Journal of Bone and Joint Surgery · 1983 · 748 citations

Pain Therapy, Pain Disorders, Pain Medicine +20