Turkish version of the Massachusetts General Hospital Cognitive and Physical Functioning Questionnaire: A reliability and validity study.

Objectives: This study aimed to analyze the validity and reliability of the Turkish version of the Massachusetts General Hospital Cognitive and Physical Functioning Questionnaire (CPFQ) in patients with fibromyalgia (FM) syndrome by translating and culturally adapting the CPFQ to Turkish.

Patients And Methods: One hundred seventeen patients (8 males, 109 females; mean age: 47.4±12.