1. Short-term placebo response in trials of patients with symptomatic osteoarthritis: differences between hip and knee 
S. Reiter-Niesert, M. Boers, J. Detert 
Osteoarthritis and Cartilage 
Volume 24, Issue 6, Pages (June 2016)
DOI: /j.joca
Copyright © 2016 Osteoarthritis Research Society International Terms and Conditions

2. Fig. 1
Selection of articles that evaluate symptomatic efficacy of the coxibs in OA in placebo randomized controlled trials.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2016 Osteoarthritis Research Society International Terms and Conditions

3. Fig. 2
Pain change (ΔVAS) of the pain intensity in patients with knee OA and hip OA.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2016 Osteoarthritis Research Society International Terms and Conditions

4. Fig. 3
Forest plot, change from baseline of pain VAS in patients with knee OA and hip OA.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2016 Osteoarthritis Research Society International Terms and Conditions