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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
20
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pubmed:dateCreated |
1990-12-13
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pubmed:abstractText |
We prospectively examined the use of estrogen replacement therapy in relation to breast cancer incidence in a cohort of women 30 to 55 years of age in 1976. During 367 187 person-years of follow-up among postmenopausal women, 722 incident cases of breast cancer were documented. Overall, past users of replacement estrogen were not at increased risk (relative risk, 0.98; 95% confidence interval, 0.81 to 1.18), including even those with more than 10 years since last [corrected] use (relative risk after adjustment for established risk factors, 0.70; 95% confidence interval, 0.45 to 1.10). However, the risk of breast cancer was significantly elevated among current users (relative risk, 1.36; 95% confidence interval, 1.11 to 1.67). Among current users, a stronger relationship was observed with increasing age but not with increasing duration of use. These data suggest that long-term past use of estrogen replacement therapy is not related to risk of breast cancer but that current use may modestly increase risk.
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pubmed:grant | |
pubmed:commentsCorrections | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
AIM
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pubmed:status |
MEDLINE
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pubmed:month |
Nov
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pubmed:issn |
0098-7484
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
28
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pubmed:volume |
264
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
2648-53
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pubmed:dateRevised |
2007-11-14
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pubmed:meshHeading |
pubmed-meshheading:2232041-Adult,
pubmed-meshheading:2232041-Breast Neoplasms,
pubmed-meshheading:2232041-Cohort Studies,
pubmed-meshheading:2232041-Estrogen Replacement Therapy,
pubmed-meshheading:2232041-Female,
pubmed-meshheading:2232041-Follow-Up Studies,
pubmed-meshheading:2232041-Humans,
pubmed-meshheading:2232041-Menopause,
pubmed-meshheading:2232041-Middle Aged,
pubmed-meshheading:2232041-Proportional Hazards Models,
pubmed-meshheading:2232041-Prospective Studies,
pubmed-meshheading:2232041-Risk Factors
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pubmed:year |
1990
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pubmed:articleTitle |
Prospective study of estrogen replacement therapy and risk of breast cancer in postmenopausal women.
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pubmed:affiliation |
Channing Laboratory, Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115-5899.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.
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