Linking Subtypes of Adenomyosis to Coexisting Endometrial Lesions: A Retrospective Study Utilizing Propensity Score Matching
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By
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Xiaoxi Niu
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Yiyi Wang
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Yijie Zhai
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Yunyan Teng
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Zhaogang Dong
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Lijie Wang
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May 29, 2026
Objective:
To evaluate the association of the diffuse adenomyosis phenotype with the risk of co-existing endometrial lesions using propensity score matching.
Key Findings:
- The overall incidence of endometrial lesions was significantly higher in the diffuse adenomyosis group (49.5%) compared to the focal group (35.6%).
- After matching, diffuse adenomyosis was a significant risk factor for concurrent endometrial lesions (adjusted odds ratio = 2.05).
- A marginal interaction for age was observed, with a stronger association in women aged ≤45 years.
Interpretation:
Limitations:
- The study is retrospective, which may introduce biases.
- The sample size for subgroup analyses may limit the generalizability of findings.
Conclusion: