1. Metabolomic analysis of human plasma reveals that arginine is depleted in knee osteoarthritis patients 
W. Zhang, G. Sun, S. Likhodii, M. Liu, E. Aref-Eshghi, P.E. Harper, G. Martin, A. Furey, R. Green, E. Randell, P. Rahman, G. Zhai 
Osteoarthritis and Cartilage 
Volume 24, Issue 5, Pages (May 2016)
DOI: /j.joca
Copyright © 2015 Osteoarthritis Research Society International Terms and Conditions

2. Fig. 1
Boxplots of six differential metabolites in the validation samples. P values were derived from the Kolmogorov–Smirnov test.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2015 Osteoarthritis Research Society International Terms and Conditions

3. Fig. 2
ROC curve analysis results for six significantly differential metabolites.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2015 Osteoarthritis Research Society International Terms and Conditions

4. Fig. 3
Barcharts of expression of CTSB and CTSK in OA-affected and healthy cartilage. P values were derived from the Kolmogorov–Smirnov test.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2015 Osteoarthritis Research Society International Terms and Conditions