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Somatisation differentiates fibromyalgia from low back pain: a comparative, cross-sectional cohort study.
Angst, Felix; Geiser, Franziska; Benz, Thomas; Lehmann, Susanne; Sándor, Peter S.
Afiliación
  • Angst F; Research Department, Rehaklinik Bad Zurzach, ZURZACH Care Group, Bad Zurzach, Switzerland.
  • Geiser F; Department for Psychosomatic Medicine and Psychotherapy, University Clinic Bonn, University of Bonn, Bonn, Germany.
  • Benz T; School of Health Sciences, Institute of Physiotherapy, ZHAW Zurich University of Applied Sciences, Winterthur, Switzerland.
  • Lehmann S; Research Department, Rehaklinik Bad Zurzach, ZURZACH Care Group, Bad Zurzach, Switzerland.
  • Sándor PS; Research Department, Rehaklinik Bad Zurzach, ZURZACH Care Group, Bad Zurzach, Switzerland.
Rheumatology (Oxford) ; 2024 Sep 19.
Article en En | MEDLINE | ID: mdl-39298508
ABSTRACT

OBJECTIVES:

To examine whether somatisation, depression, anxiety, fatigue, coping dimensions, pain, physical and social function, or sociodemographic characteristics can differentiate fibromyalgia from low back pain in a cross-sectional cohort setting of our Zurzach Interdisciplinary Pain Programme.

METHODS:

Fibromyalgia and low back pain (not fulfilling the diagnostic criteria for fibromyalgia) were compared using the Symptom Checklist-90R (SCL-90R) Somatisation scale, the Quantification Inventory for Somatoform Syndromes (QUISS) Number of somatoform symptoms, and other standardised instruments. Standardised mean differences (SMDs) quantified the score differences, and binomial logistic regression modelling with various co-variates differentiated fibromyalgia from low back pain.

RESULTS:

The largest differences indicating worse health in fibromyalgia (n = 131) were in somatisation (SCL-90R SMD=-0.971, QUISS SMD=-0.960), followed by affective health, pain and coping (SMDs between -0.632 and -0.280). Physical and social functioning were comparable in the two conditions (n = 262 low back pain). The two somatisation scales both with odds ratios (OR)=0.966 (p≤ 0.002) plus female sex (OR = 3.396, p< 0.001) predicted 74.3% of the cases correctly (accuracy) with a positive predictive value of 65.3% and a specificity of 87.0% for fibromyalgia. In the female subsample (n = 280), the model remained stable with an accuracy of 71.9%.

CONCLUSION:

Somatisation stood out from all other somatic, psychosocial, and coping dimensions and sociodemographics as the one significant specific predictor distinguishing fibromyalgia from low back pain. The fibromyalgia phenotype is characterised by the generalisation of painful loci but equally prominently by generalised somatoform symptoms. Assessment of somatisation is recommended to ensure accurate identification and understanding of the multifaceted syndrome of fibromyalgia.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Rheumatology (Oxford) Asunto de la revista: REUMATOLOGIA Año: 2024 Tipo del documento: Article País de afiliación: Suiza Pais de publicación: Reino Unido
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Rheumatology (Oxford) Asunto de la revista: REUMATOLOGIA Año: 2024 Tipo del documento: Article País de afiliación: Suiza Pais de publicación: Reino Unido