Postmenopausal Hormone Replacement Therapy and Non-Hodgkin's Lymphoma Risk
Author Information
Author(s): Nørgaard M, Poulsen A H, Pedersen L, Gregersen H, Friis S, Ewertz M, Johnsen H E, Sørensen H T
Primary Institution: Aarhus University Hospital
Hypothesis
Is postmenopausal hormone replacement therapy associated with a reduced risk of non-Hodgkin's lymphoma?
Conclusion
The study found no significant association between hormone replacement therapy use and the risk of non-Hodgkin's lymphoma.
Supporting Evidence
- 40 NHL cases were identified among HRT users during 179,838 person-years of follow-up.
- 310 NHL cases were identified among non-users during 1,247,302 person-years of follow-up.
- The age-standardised incidence rates of NHL were similar between HRT users and non-users.
Takeaway
This study looked at whether hormone therapy for menopause helps prevent a type of cancer called non-Hodgkin's lymphoma, and it found that it doesn't.
Methodology
A cohort study using population-based health registries to compare NHL incidence rates among HRT users and non-users.
Potential Biases
Possible selection bias as healthier women may be more likely to receive HRT.
Limitations
Lack of information on compliance with HRT and other potential confounding factors.
Participant Demographics
Women aged 40 and older in North Jutland County, Denmark.
Statistical Information
P-Value
0.99
Confidence Interval
0.71–1.39
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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