Knee osteoarthritis radiographic progression and associations with pain and function prior to knee arthroplasty: a multicenter comparative cohort study D.L. Riddle, W.A. Jiranek Osteoarthritis and Cartilage Volume 23, Issue 3, Pages 391-396 (March 2015) DOI: 10.1016/j.joca.2014.12.013 Copyright © 2014 Osteoarthritis Research Society International Terms and Conditions
Fig. 1 The figure illustrates the temporal sequence and the data collection sessions for the knee arthroplasty sample and the non-surgical control sample. Osteoarthritis and Cartilage 2015 23, 391-396DOI: (10.1016/j.joca.2014.12.013) Copyright © 2014 Osteoarthritis Research Society International Terms and Conditions