1. The role of pain and functional impairment in the decision to recommend total joint replacement in hip and knee osteoarthritis: an international cross-sectional study of patients. Report of the OARSI-OMERACT Task Force on total joint replacement 
L. Gossec, S. Paternotte, J.F. Maillefert, C. Combescure, P.G. Conaghan, A.M. Davis, K.-P. Gunther, G. Hawker, M. Hochberg, J.N. Katz, M. Kloppenburg, K. Lim, L.S. Lohmander, N.N. Mahomed, L. March, K. Pavelka, L. Punzi, E.M. Roos, L. Sanchez-Riera, J.A. Singh, M.E. Suarez-Almazor, M. Dougados 
Osteoarthritis and Cartilage 
Volume 19, Issue 2, Pages (February 2011)
DOI: /j.joca
Copyright © 2010 Osteoarthritis Research Society International Terms and Conditions

2. Fig. 1
Ability of pain and functional impairment severity to predict indication for TJR in 1909 hip or knee OA patients. (a) pain, AUC for curve: 0.64 (95% confidence interval, 0.61–0.67), (b) functional disability, AUC for curve: 0.63 (95% confidence interval, 0.60–0.66).
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2010 Osteoarthritis Research Society International Terms and Conditions

3. Fig. 2
Ability of the sum (pain+function) to predict indication for TJR, in knee and hip OA separately (a) Knee, AUC for the ROC curve: 0.60 (95% confidence interval, 0.56–0.64) (b) Hip, AUC for the ROC curve: 0.70 (95% CI, 0.66–0.75).
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2010 Osteoarthritis Research Society International Terms and Conditions