• I Meisingset, A K Stensdotter, A Woodhouse, and O Vasseljen.
• Department of Public Health and General Practice, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway. Electronic address: ingebrigt.meisingset@ntnu.no.
• Physiotherapy. 2018 Dec 1; 104 (4): 400-407.

ObjectiveTo investigate the prognostic importance of a number of sensorimotor and psychological factors for global perceived effect (GPE) after physiotherapy in patients with neck pain. In addition to baseline values, change scores were used as independent variables to identify treatment-modifiable factors.DesignClinical cohort study.SettingPrimary and secondary healthcare physiotherapy clinics.ParticipantsPatients (n=70) with non-specific neck pain.InterventionUsual care physiotherapy.MethodsA three-dimensional motion tracking system was used to measure neck motion and sensorimotor variables, in addition to self-reported outcomes covering personal, somatic and psychological factors at baseline (before treatment) and at 2 months. Logistic regression was used to analyse associations between the prognostic variables and the primary outcome (GPE) at 2 months.ResultsAt baseline, neck motion and motor control, pain duration and functioning were the strongest predictors for GPE, with no effect of psychological factors. Among the change variables, reduced pain intensity [odds ratio (OR) 1.86; 95% confidence interval (CI) 1.31 to 2.62], increased functioning (OR 1.46; 95% CI 1.11 to 1.92), reduced disability (OR 1.12; 95% CI 1.05 to 1.20), reduced kinesiophobia (OR 1.21; 95% CI 1.07 to 1.37), reduced catastrophising (OR 1.09; 95% CI 1.09 to 1.18) and increased self-efficacy (OR 1.12; 95% CI 1.03 to 1.21) were significantly associated with GPE.ConclusionsBoth baseline values and change in pain intensity and functioning predicted GPE at 2 months. Psychological factors such as kinesiophobia, catastrophising and self-efficacy were only able to predict outcome by their change scores, indicating that these factors are modifiable by common physiotherapy practice and are important for GPE.Copyright © 2017 Chartered Society of Physiotherapy. Published by Elsevier Ltd. All rights reserved.

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