Association of antithyroid peroxidase antibody with fibromyalgia in rheumatoid arthritis

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

To investigate how autoimmune thyroiditis (ATD) affects the clinical presentation of established rheumatoid arthritis (RA) with particular reference to fibromyalgia and chronic widespread pain (CWP). A cohort of 204 patients with RA for whom the presence or absence of autoimmune thyroid antibodies was documented was examined for the relationships between thyroid autoantibodies and fibromyalgia or CWP. We identified 29 % who tested positive for antithyroid peroxidase antibodies (TPOAb). The anti-thyroglobulin antibody (TgAb) was found in 24 %. Among the thyroid autoantibody-positive patients, 40 % had a diagnosis of fibromyalgia or CWP versus 17 % for antibody negative patients. Logistic regression analyses (adjusted by age, sex, diabetes and BMI) indicated that TPOAb-positive patients were more likely to have fibromyalgia or CWP, with an odds ratio (OR) of 4.641, 95 % confidence interval (CI) (2.110–10.207) P < .001. Adjusting for spinal degenerative disc disease did not change the association with fibromyalgia, OR 4.458, 95 % CI (1.950–10.191), P < .001. The OR between TgAb and fibromyalgia was not significant (P > .05). Additional logistic regression analyses (adjusted by age, sex and BMI) indicated a significant relationship between TPOAb and fibromyalgia or CWP in patients without diabetes and those without hypothyroidism (OR of 4.873, 95 % CI (1.877–12.653), P = .001 and OR of 4.615 95 % CI (1.810–11.770), P = .001, respectively). There may be a positive association between the ATD antibody TPOAb, and fibromyalgia syndrome and CWP in patients with established RA.

Original languageEnglish (US)
Pages (from-to)1415-1421
Number of pages7
JournalRheumatology International
Volume35
Issue number8
DOIs
StatePublished - Aug 20 2015

Fingerprint

Fibromyalgia
Chronic Pain
Peroxidase
Rheumatoid Arthritis
Antibodies
Autoimmune Thyroiditis
Thyroid Gland
Odds Ratio
Confidence Intervals
Autoantibodies
Logistic Models
Regression Analysis
Hypothyroidism

Keywords

  • Autoimmune thyroid disease
  • Chronic lymphocytic thyroiditis
  • Chronic widespread pain
  • Fibromyalgia
  • Hashimoto thyroiditis
  • Rheumatoid arthritis

ASJC Scopus subject areas

  • Rheumatology
  • Immunology
  • Immunology and Allergy

Cite this

Association of antithyroid peroxidase antibody with fibromyalgia in rheumatoid arthritis. / Ahmad, Jowairiyya; Blumen, Helena M.; Tagoe, Clement E.

In: Rheumatology International, Vol. 35, No. 8, 20.08.2015, p. 1415-1421.

Research output: Contribution to journalArticle

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abstract = "To investigate how autoimmune thyroiditis (ATD) affects the clinical presentation of established rheumatoid arthritis (RA) with particular reference to fibromyalgia and chronic widespread pain (CWP). A cohort of 204 patients with RA for whom the presence or absence of autoimmune thyroid antibodies was documented was examined for the relationships between thyroid autoantibodies and fibromyalgia or CWP. We identified 29 {\%} who tested positive for antithyroid peroxidase antibodies (TPOAb). The anti-thyroglobulin antibody (TgAb) was found in 24 {\%}. Among the thyroid autoantibody-positive patients, 40 {\%} had a diagnosis of fibromyalgia or CWP versus 17 {\%} for antibody negative patients. Logistic regression analyses (adjusted by age, sex, diabetes and BMI) indicated that TPOAb-positive patients were more likely to have fibromyalgia or CWP, with an odds ratio (OR) of 4.641, 95 {\%} confidence interval (CI) (2.110–10.207) P < .001. Adjusting for spinal degenerative disc disease did not change the association with fibromyalgia, OR 4.458, 95 {\%} CI (1.950–10.191), P < .001. The OR between TgAb and fibromyalgia was not significant (P > .05). Additional logistic regression analyses (adjusted by age, sex and BMI) indicated a significant relationship between TPOAb and fibromyalgia or CWP in patients without diabetes and those without hypothyroidism (OR of 4.873, 95 {\%} CI (1.877–12.653), P = .001 and OR of 4.615 95 {\%} CI (1.810–11.770), P = .001, respectively). There may be a positive association between the ATD antibody TPOAb, and fibromyalgia syndrome and CWP in patients with established RA.",
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