1. Prevalence of radiographic hip osteoarthritis and its association with hip pain in Japanese men and women: the ROAD study 
T. Iidaka, S. Muraki, T. Akune, H. Oka, R. Kodama, S. Tanaka, H. Kawaguchi, K. Nakamura, N. Yoshimura 
Osteoarthritis and Cartilage 
Volume 24, Issue 1, Pages (January 2016)
DOI: /j.joca
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2. Fig. 1
(A) Prevalence (percentage) of subjects with radiographic hip osteoarthritis in each age stratum (<50, 50–59, 60–69, 70–79, ≥80). (B) Prevalence (percentage) of subjects overall with hip pain in each age stratum.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2015 Osteoarthritis Research Society International Terms and Conditions

3. Fig. 2
Proportion (percentage) of subjects with hip pain in each subgroup classified by K/L grade in the overall population and communities. The number of subjects in each subgroup is shown under the bars. K/L, Kellgren/Lawrence.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2015 Osteoarthritis Research Society International Terms and Conditions