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Background: The Pain Catastrophizing Scale (PCS), a widely used tool to assess catastrophizing related to spinal disorders, shows valid psychometric properties in general but the minimal important change (MIC) is still not determined., Aim: The aim of this study was to assess responsiveness and MIC of the PCS in individuals with chronic low back pain (LBP) undergoing multidisciplinary rehabilitation., Design: Prospective observational study., Setting: The setting was outpatient rehabilitation hospital., Population: Two hundred and five patients with chronic LBP., Methods: Before and after an 8-week multidisciplinary rehabilitation program, 205 patients completed the Italian version of the PCS (PCS-I). We calculated the PCS-I responsiveness by distribution-based methods (effect size [ES], standardized response mean [SRM], and minimum detectable change [MDC]) and anchor-based methods [receiver operating characteristic (ROC) curves]. After the program, participants completed a 7-point global perceived effect scale (GPE), based on which they were classified as "improved" vs. "stable." ROC curves computed the best cut-off level (taken as the MIC) between the two groups. ROC analysis was also performed on subgroups according to patients' baseline PCS scores., Results: ES, SRM and MDC were 0.71, 0.67 and 7.73, respectively. ROC analysis yielded an MIC of 8 points (95% confidence interval [CI]: 6-10; area under the curve [AUC]: 0.88). ROC analysis of the PCS subgroups confirmed an MIC of 8 points (95%CI: 6-10) for no/low catastrophizers (score <30, N.=159; AUC: 0.90) and indicated an MIC of 11 points (95%CI: 8-14) for catastrophizers (score >30, N.=33; AUC: 0.84)., Conclusions: The PCS-I showed good ability to detect patient-perceived clinical changes in chronic LBP postrehabilitation. The MIC values we determined provide a benchmark for assessing individual improvement in this clinical context., Clinical Rehabilitation Impact: The present study calculated - in a sample of people with chronic LBP - the responsiveness and MIC of the PCS. These values increase confidence in interpreting score changes, enhancing their meaningfulness for both research and clinical contexts.

Background: Multidisciplinary rehabilitation induces disability improvement, pain reduction and favors return-to-work in patients with subacute low back pain (LBP). Current research advises additional high-quality trials., Aim: The aim of this study is to test the effect of a multidisciplinary rehabilitative program incorporating cognitive-behavioral interventions compared to general physiotherapy alone to treat subacute LBP, and to appraise its long-term extent., Design: Randomised parallel-group superiority-controlled trial., Setting: Outpatient rehabilitation hospital., Population: One hundred and fifty patients with subacute LBP., Methods: Patients were assigned randomly to a 10-week individual-based multimodal program of task-oriented exercises integrated with cognitive-behavioral therapy (experimental group, 75 patients) or individual-based general physiotherapy (control group, 75 patients). Before treatment, 10 weeks later (post-treatment), and 12 months after treatment, the staff administered the Oswestry Disability Index (ODI, primary outcome), a pain intensity numerical rating scale (NRS), the Tampa Scale for Kinesiophobia (TSK), the Pain Beliefs and Perception Inventory (PBAPI), the Hospital and Anxiety Depression Score (HADS) and the Coping Strategies Questionnaire-revised (CSQ-R). Linear mixed model analysis for repeated measures was carried out for each outcome measure., Results: Significant group (P<0.001), time (P=0.002), and time-by-group interaction (P<0.001) effects were found for ODI, with a between-group difference (standard error) after training of 11.5 (1.0) and at follow-up of 15.7 (0.9), in favor of the experimental group. A significant interaction effect (P<0.001) was found for all secondary outcome measures, with significantly greater improvements in the experimental group, after rehabilitation and at follow-up., Conclusions: The multidisciplinary intervention was superior to general physiotherapy in reducing disability, pain, psychological factors and coping strategies of patients with subacute LBP. The effects were reinforced after one year., Clinical Rehabilitation Impact: Treatment of subacute LBP requires cognitive modifications closely linked to physical performances in order to achieve mental adjustments and guarantee cognitive-behavioral and motor lasting changes.

Background: Biomechanical overload due to patients' manual handling represents a relevant contributor to chronic low back pain (LBP). Fear of movement (also known as kinesiophobia) and catastrophising may influence the development of chronic complaints and lower performances also in working environments, despite these issues are poorly investigated., Aim: The aim of this study is twofold: 1) to evaluate the levels of kinesiophobia and catastrophizing in a sample of health personnel with chronic LBP and employed in activities specifically requiring patients' manual handling; 2) to appraise the influence of these factors on disability., Design: Cross-sectional observational study., Setting: Four Italian hospitals., Population: Sixty-four healthcare workers suffering from nonspecific low back pain, exposed to the spinal risk of biomechanical overload due to patients' manual handling., Methods: We assessed kinesiophobia, catastrophizing and disability by means of validated questionnaires (the Tampa Scale of Kinesiophobia [TSK], the Pain Catastrophizing Scale [PCS], and the Oswestry Disability Index [ODI], respectively). Values of central tendency and dispersion of the variable of interest were calculated, along with the association among variables through multiple linear regression analysis., Results: The results showed presence of kinesiophobia (TSK=34.0; IQR=28.2-42.09), catastrophizing (PCS=20.5; IQR=10.2-29.0) and disability (ODI=28.8; IQR=13.5-40.0) in the population enrolled. Disability was significantly predicted by kinesiophobia and catastrophizing (R2=0.529 P=0.00003)., Conclusions: Kinesiophobia and catastrophizing are present in health workers with chronic LBP involved in patients' manual handling and are linked to disability. Further investigations in this field are recommended to investigate a role for cognitive-behavioral strategies aimed at managing catastrophizing and kinesiophobia to increase working abilities., Clinical Rehabilitation Impact: The assessment of catastrophizing and kinesiophobia is crucial in health workers engaged with patients' manual handling and suffering from chronic LBP.