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Logo of nihpaAbout Author manuscriptsSubmit a manuscriptHHS Public Access; Author Manuscript; Accepted for publication in peer reviewed journal;
 
From:
Cancer. Author manuscript; available in PMC 2010 April 1.
Published in final edited form as:
Cancer. 2009 April 1; 115(7): 1404–1411.
doi: 10.1002/cncr.24167

Table 3

Odds ratios (OR) and 95% confidence intervals (CI) for lobule type and breast cancer risk among participants in the Nurses’ Health Study (1988–1994) and Nurses’ Health Study II (1991–1995), stratified by histologic category of BBD

CasesControlsOR (95% CI)*
Nonproliferative
No type 1 lobules or mixed lobule types311991.0 (REF)
Predominant type 1, no type 3 lobules161320.73 (0.36–1.50)
Proliferative with no atypia
No type 1 lobules or mixed lobule types733341.0 (REF)
Predominant type 1, no type 3 lobules241500.80 (0.47–1.35)
Atypical hyperplasia
No type 1 lobules or mixed lobule types42611.0 (REF)
Predominant type 1, no type 3 lobules14390.61 (0.28–1.35)
P for interaction between lobule type and BBD category = 0.67
*Adjusted for age, year of BBD, and time since benign biopsy.