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Journal article

Risk of hand osteoarthritis in new users of hormone replacement therapy: a nested case-control analysis

Abstract:

Objective

To estimate the risk of hand osteoarthritis (HOA) associated with hormone replacement therapy (HRT).

Methods

We conducted a nested case-control study using data from the UKbased Clinical Practice Research Datalink (1998–2017). In the study inception cohort comprised women at age 45. We matched women with incident HOA during follow-up (cases) to osteoarthritisfree controls on age and calendar date (index date, ID), in a ratio of 1:4. We applied conditional logistic regression to calculate odds ratios (OR) with 95 % confidence intervals (CI) of HOA associated with new HRT use compared with non-use overall, and for women with recorded menopause we calculated separate ORs according to the time between menopause and HRT initiation (current users), and the time between HRT cessation and the ID (past users), versus non-users.

Results

There were 3440 cases and 13,760 controls (mean age: 50.9 ± 4.1 years). We observed an adjusted OR (aOR) of HOA of 1.32 (95 % CI 1.17–1.48) in HRT users (versus nonusers), which attenuated to 0.98 (95 % CI 0.85–1.14) in women with recorded menopause. Current users (versus nonusers) who initiated HRT 3 months before or after menopause had an aOR of 0.72 (95 % CI 0.55–0.96), while aORs increased with later HRT initiation. Among past users (versus non-users), we observed an aOR of 1.25 (95 % CI 0.86–1.81) when HRT use was stopped ≤18 months before the ID, approaching the null with increasing duration between HRT cessation and the ID.

Conclusion

Current HRT use was associated with a decreased risk of HOA if initiated around menopause, but the risk reduction disappeared after HRT cessation.

Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1016/j.maturitas.2019.11.006

Authors

More by this author
Institution:
University of Oxford
Division:
MSD
Department:
NDORMS
Role:
Author
ORCID:
0000-0002-3950-6346


Publisher:
Elsevier
Journal:
Maturitas More from this journal
Volume:
132
Pages:
17-23
Publication date:
2019-11-27
Acceptance date:
2019-11-26
DOI:
EISSN:
01873-4111
ISSN:
0378-5122


Language:
English
Keywords:
Pubs id:
pubs:1074464
UUID:
uuid:382f45a9-15e3-4769-82a8-7ca15836fca4
Local pid:
pubs:1074464
Source identifiers:
1074464
Deposit date:
2019-11-27
ARK identifier:

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