Fracture in Asian Women with Breast Cancer Occurs at Younger Age

Chun Hao Tsa, Chih Hsin Muo, Huey En Tzeng, Chih Hsin Tang, Horng Chang Hsu, Fung Chang Sung

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Background:Western breast cancer survivors have an increased risk of osteoporosis and bone fracture. Breast cancer occurs 10 to 20 years earlier in Asian women than in Western women. We investigated if younger Asian women with breast cancer also have increased risk of fracture.Methods:We used the universal insurance claims data from 2000 to 2003 to identify 22,076 patients with breast cancer and 88,304 women without cancer, frequency matched with age and index date (the date for a health care visit). The incidence of fracture in both cohorts and the hazard ratios (HRs) of fracture in the cancer cohort were estimated by the end of 2009.Results:The incidence of all types of fracture was higher in the breast cancer cohort than in the comparison cohort (46.72 vs. 42.52 per 10,000 person-years), with adjusted HRs (aHRs) of 1.18 (95% confidence intervals [CI], 1.03-1.35) for hip fractures, 1.12 (95% CI, 0.98-1.28) for forearm fractures and 1.24 (95% CI, 1.04-1.48) for vertebral fractures. The aHRs were significant in both non-traumatic fractures (1.29; 95% CI, 1.11-1.51) and traumatic fractures (1.12; 95% CI, 1.01-1.23). The age-specific aHR was higher for younger breast cancer patients, and was significant for <50 years old patients in both traumatic (aHR 1.35; 95% CI 1.08-1.68) and non-traumatic (aHR, 1.72; 95% CI, 1.21-2.44) fractures.Conclusion:This study suggests that Asian women with breast cancer might have an increased risk of fracture.

Original languageEnglish
Article numbere75109
JournalPLoS One
Volume8
Issue number9
DOIs
Publication statusPublished - Sep 12 2013
Externally publishedYes

Fingerprint

breast neoplasms
confidence interval
Confidence Intervals
Breast Neoplasms
hip fractures
incidence
bone fractures
neoplasms
insurance
Bone Fractures
Incidence
osteoporosis
Hip Fractures
Insurance
Forearm
Hazards
health services
Osteoporosis
Survivors
Neoplasms

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

Cite this

Tsa, C. H., Muo, C. H., Tzeng, H. E., Tang, C. H., Hsu, H. C., & Sung, F. C. (2013). Fracture in Asian Women with Breast Cancer Occurs at Younger Age. PLoS One, 8(9), [e75109]. https://doi.org/10.1371/journal.pone.0075109

Fracture in Asian Women with Breast Cancer Occurs at Younger Age. / Tsa, Chun Hao; Muo, Chih Hsin; Tzeng, Huey En; Tang, Chih Hsin; Hsu, Horng Chang; Sung, Fung Chang.

In: PLoS One, Vol. 8, No. 9, e75109, 12.09.2013.

Research output: Contribution to journalArticle

Tsa, Chun Hao ; Muo, Chih Hsin ; Tzeng, Huey En ; Tang, Chih Hsin ; Hsu, Horng Chang ; Sung, Fung Chang. / Fracture in Asian Women with Breast Cancer Occurs at Younger Age. In: PLoS One. 2013 ; Vol. 8, No. 9.
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abstract = "Background:Western breast cancer survivors have an increased risk of osteoporosis and bone fracture. Breast cancer occurs 10 to 20 years earlier in Asian women than in Western women. We investigated if younger Asian women with breast cancer also have increased risk of fracture.Methods:We used the universal insurance claims data from 2000 to 2003 to identify 22,076 patients with breast cancer and 88,304 women without cancer, frequency matched with age and index date (the date for a health care visit). The incidence of fracture in both cohorts and the hazard ratios (HRs) of fracture in the cancer cohort were estimated by the end of 2009.Results:The incidence of all types of fracture was higher in the breast cancer cohort than in the comparison cohort (46.72 vs. 42.52 per 10,000 person-years), with adjusted HRs (aHRs) of 1.18 (95{\%} confidence intervals [CI], 1.03-1.35) for hip fractures, 1.12 (95{\%} CI, 0.98-1.28) for forearm fractures and 1.24 (95{\%} CI, 1.04-1.48) for vertebral fractures. The aHRs were significant in both non-traumatic fractures (1.29; 95{\%} CI, 1.11-1.51) and traumatic fractures (1.12; 95{\%} CI, 1.01-1.23). The age-specific aHR was higher for younger breast cancer patients, and was significant for <50 years old patients in both traumatic (aHR 1.35; 95{\%} CI 1.08-1.68) and non-traumatic (aHR, 1.72; 95{\%} CI, 1.21-2.44) fractures.Conclusion:This study suggests that Asian women with breast cancer might have an increased risk of fracture.",
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AB - Background:Western breast cancer survivors have an increased risk of osteoporosis and bone fracture. Breast cancer occurs 10 to 20 years earlier in Asian women than in Western women. We investigated if younger Asian women with breast cancer also have increased risk of fracture.Methods:We used the universal insurance claims data from 2000 to 2003 to identify 22,076 patients with breast cancer and 88,304 women without cancer, frequency matched with age and index date (the date for a health care visit). The incidence of fracture in both cohorts and the hazard ratios (HRs) of fracture in the cancer cohort were estimated by the end of 2009.Results:The incidence of all types of fracture was higher in the breast cancer cohort than in the comparison cohort (46.72 vs. 42.52 per 10,000 person-years), with adjusted HRs (aHRs) of 1.18 (95% confidence intervals [CI], 1.03-1.35) for hip fractures, 1.12 (95% CI, 0.98-1.28) for forearm fractures and 1.24 (95% CI, 1.04-1.48) for vertebral fractures. The aHRs were significant in both non-traumatic fractures (1.29; 95% CI, 1.11-1.51) and traumatic fractures (1.12; 95% CI, 1.01-1.23). The age-specific aHR was higher for younger breast cancer patients, and was significant for <50 years old patients in both traumatic (aHR 1.35; 95% CI 1.08-1.68) and non-traumatic (aHR, 1.72; 95% CI, 1.21-2.44) fractures.Conclusion:This study suggests that Asian women with breast cancer might have an increased risk of fracture.

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