Translation, cross-cultural adaptation and validation of the Argentine version of the Pain Catastrophizing Scale in patients with chronic low back pain.

Introduction: Low back pain (LBP) is the leading cause of years lived with disability worldwide. Higher levels of catastrophizing were found in patients with LBP and this variable is associated with self-reported disability. The Pain Catastrophizing Scale (PCS) is a self-report questionnaire that assesses catastrophizing in the presence of pain.