Self-reported knee instability and activity limitations in patients with knee osteoarthritis: results of the Amsterdam osteoarthritis cohort

Applied Regression Analysis and Other Multivariable Methods

Esteban Walker, David G. Kleinbaum, Lawrence L. Kupper et al. · Technometrics · 1989 · 8.3K citations

Engineering, Estimation Statistic, Best Regression Equation +12

Validation study of WOMAC: a health status instrument for measuring clinically important patient relevant outcomes to antirheumatic drug therapy in patients with osteoarthritis of the hip or knee.

Nicholas Bellamy, W. Watson Buchanan, Charles H. Goldsmith et al. · PubMed · 1988 · 7.8K citations

Parallel Trial, Non-operative Management, Health Status Instrument +19

Development of criteria for the classification and reporting of osteoarthritis: Classification of osteoarthritis of the knee

Roy D. Altman, E. Asch, D. Blöch et al. · Arthritis & Rheumatism · 1986 · 6.7K citations

Atlas of individual radiographic features in osteoarthritis, revised

Roy D. Altman, Garry E. Gold · Osteoarthritis and Cartilage · 2007 · 1.3K citations · Full text

Rheumatology, Individual Radiographic Features, Bone Imaging +5

Development of a Patient-Reported Measure of Function of the Knee*

James J. Irrgang, Lynn Snyder‐Mackler, Robert S. Wainner et al. · Journal of Bone and Joint Surgery · 1998 · 641 citations

Daily Living Scale, Physical Activity, Patient-reported Measure +17