Journal
PAIN PRACTICE
Volume 22, Issue 8, Pages 711-717Publisher
WILEY
DOI: 10.1111/papr.13163
Keywords
breast cancer; catastrophizing; chronic pain; psychometric properties; validation studies
Categories
Funding
- Novartis Oncology [PS16060]
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This study assessed the psychometric properties of the Spanish version of the Pain Catastrophizing Scale (PCS) in Spanish breast cancer survivors. The results showed that the PCS is a valid and reliable instrument for evaluating pain catastrophizing, and it can help clinicians manage pain and measure the effectiveness of interventions.
Introduction Pain catastrophizing scale (PCS) is the most used scale to measure pain catastrophizing. In breast cancer survivors (BCS), pain catastrophizing is related to upper-limbs dysfunction and disability. This study aimed to assess the internal consistency, internal structure, and convergent validity of the Spanish version of the PCS in Spanish BCS. Material and Methods Breast cancer survivors were recruited from the service of Medical Oncology of the University Clinical Hospital Virgen de la Victoria, in Malaga (Spain). The psychometric properties were evaluated with analysis factor structure by maximum likelihood extraction (MLE), internal consistency, and construct validity by confirmatory factor analysis (CFA). Results Factor structure was three-dimensional, and one item was removed due to cross-loading. The new 12-item PCS showed a high internal consistency for the total score (alpha = 0.91) and a good homogeneity, and CFA revealed a satisfactory fit. PCS showed an acceptable correlation with FACS (r = 0.53, p < 0.01). Conclusion Pain catastrophizing scale is a valid and reliable instrument to evaluate pain catastrophizing in Spanish BCS. This tool may help clinicians in the management of pain by assessing pain and by measuring the effect of interventions.
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