1. Long-term effectiveness of exercise therapy in patients with osteoarthritis of the hip or knee: a randomized controlled trial comparing two different physical therapy interventions 
M.F. Pisters, C. Veenhof, F.G. Schellevis, D.H. De Bakker, J. Dekker 
Osteoarthritis and Cartilage 
Volume 18, Issue 8, Pages (August 2010)
DOI: /j.joca
Copyright © 2010 Osteoarthritis Research Society International Terms and Conditions

2. Fig. 1 Flow diagram through study.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2010 Osteoarthritis Research Society International Terms and Conditions

3. Fig. 2 Kaplan–Meier survival curve for patients with hip OA.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2010 Osteoarthritis Research Society International Terms and Conditions

4. Fig. 3
Change in physical function (WOMAC) in patients with hip OA. Negative signs indicate improvement differences between intention-to-treat and per-protocol analysis (all patients who underwent a joint replacement surgery during the study period were considered lost to follow-up from operation date).
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2010 Osteoarthritis Research Society International Terms and Conditions