TY - JOUR T1 - The validity of gout diagnosis in primary care, results from a patient survey JF - The Journal of Rheumatology JO - J Rheumatol DO - 10.3899/jrheum.180989 SP - jrheum.180989 AU - Mats Dehlin AU - Anton J. Landgren AU - Ulrika Bergsten AU - Lennart T.H. Jac Y1 - 2019/04/01 UR - http://www.jrheum.org/content/early/2019/03/24/jrheum.180989.abstract N2 - Objective Validate primary care diagnosis of gout by the Mexico and Netherlands classification criteria. Methods Questionnaires on gout characteristics was sent to all individuals aged ≥18 with ≥1 ICD-10 diagnosis of gout at 12 primary care centers. Results Positive predictive values for gout diagnosis ranged from 71% for the Netherlands criteria to 80% for the Mexico criteria. Maximum inflammation within 24 hours was the most common reported symptom (86%). Conclusion The vast majority of gout cases in primary care fulfill classification criteria and are valid for research purposes. ER -