Time trends in medications prescribed for gout in the US: data from the National Ambulatory Health Care Surveys 1993 to 2009. Trend lines and 95% confidence bands were fitted using fractional polynomial regression. Gout was defined as a physician diagnosis of gout or prescription of allopurinol/colchicine. NSAID, non-steroidal anti-inflammatory drugs.
Krishnan and Chen Arthritis Research & Therapy 2013 15:R181 doi:10.1186/ar4370