%0 Journal Article %T The value of complementing administrative data with abstracted information on smoking and obesity: A study in kidney cancer %A Antonio Finelli %A David N. Juurlink %A Girish S. Kulkarni %A Madhur Nayan %A Peter C. Austin %A Robert J. Hamilton %J Archive of "Canadian Urological Association Journal". %D 2017 %R 10.5489/cuaj.4569 %X Variables, such as smoking and obesity, are rarely available in administrative databases. We explored the added value of including these data in an administrative database study evaluating the association of statin use with survival in kidney cancer %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5472460/