• Amir Reza Kachooei, Sjoerd P F T Nota, Mariano E Menendez, George S M Dyer, and David Ring.
• Orthopaedic Hand and Upper Extremity Service, Massachusetts General Hospital, Yawkey Center, Boston, USA.
• Arch Bone Jt Surg. 2015 Jul 1;3(3):198-203.

BackgroundGeographic and doctor-to-doctor variations in care are a focus of quality and safety efforts in medicine. This study addresses factors associated with variation in the rate of operative treatment of de Quervain tendinopathy.MethodsWe used a database including all patient encounters at 2 large medical centers, to study the experience of 10 hand surgeons and 1 physiatrist working in a hand surgery office in the treatment of 2,513 patients with de Quervain tendinopathy over a 12-year period. Survival analysis using the Kaplan-Meier method was used to compare surgery rates and time to surgery. Cox multivariable regression analysis was applied to identify factors associated with operative treatment.ResultsOne hundred ninety nine (7.9%) patients had surgery. The odds of operative treatment were 1.7 times greater after corticosteroid injection and varied more than 10-fold among providers. There was substantial variation in the overall rate of surgery by provider. Corticosteroid injection delayed surgery slightly, but was associated with a higher rate of surgery.ConclusionProviders have substantial influence on treatment of de Quervain tendinopathy. The use of decision aids and other methods that help involve the patient in decision-making merit investigation as interventions to help reduce doctor-to-doctor variation.

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