Figure 1.

Age-sex distribution of gout in ambulatory care settings in the US, National Ambulatory Health Care surveys, 1993 to 2009. Prevalence was calculated as a proportion of all the ambulatory care visits in hospital-based clinics as well as physician offices in the US.

Krishnan and Chen Arthritis Research & Therapy 2013 15:R181   doi:10.1186/ar4370
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