Role of reproductive and menopausal factors in functional and structural progression of rheumatoid arthritis: results from the SCQM cohort.

Alpizar-Rodriguez, Deshire; Förger, Frauke; Courvoisier, Delphine Sophie; Gabay, Cem; Finckh, Axel (2019). Role of reproductive and menopausal factors in functional and structural progression of rheumatoid arthritis: results from the SCQM cohort. Rheumatology, 58(3), pp. 432-440. Oxford University Press 10.1093/rheumatology/key311

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Objectives

To study the relationship between female reproductive and menopausal factors on functional and structural joint damage progression in women with RA.

Methods

This is an observational cohort study of RA patients enrolled in the Swiss Clinical Quality Management Program for Rheumatoid Arthritis. Information about female hormonal factors, such as pregnancies, menopause and hormonal therapy, were retrospectively retrieved using a specific questionnaire. The primary outcome was functional disability progression (HAQ) and the secondary outcome radiographic joint damage progression. We compared the functional progression between pre- and post-menopausal women using a multilevel regression model for longitudinal data, adjusting for potential confounders, such as baseline age, years of education, disease duration, seropositivity, DAS28 and treatment.

Results

A total of 1667 women were analysed, of whom 1025 (61%) were post-menopausal. Participants had a median of 6 HAQ assessments (interquartile range 3-10) during 5.1 (interquartile range 2.2-9.8) years of follow-up. At baseline, post-menopausal women had higher HAQ and erosion scores than pre-menopausal women. The evolution of HAQ scores over time differed between pre- and post-menopausal women (P < 0.001), with a less favourable evolution in post-menopausal women, particularly with earlier age at menopause. Erosion progression did not differ between pre- and post-menopausal women.

Conclusion

In women with RA, functional disability progression differed between pre- and post-menopausal women. The more favourable evolution of function in pre-menopausal women was not explained by disease duration, age or radiographic damage.

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