Background: The modified painDETECT questionnaire (PDQ) is a self-reported questionnaire to discriminate between nociceptive and neuropathic-like pain in patients with knee/hip osteoarthritis (OA). This study aims to assess the structural and construct validity of this questionnaire. Methods: Confirmatory …

Purpose: The etiology of pain in osteoarthritis (OA) is complex and multifactorial. A growing number of studies suggest that modification of pain-transmission in the peripheral and central nervous system, leading to sensitization, plays a role in OA pain. Sensitization seems to be associated with neuropathic …