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Table 5 Associations between a biomarker score created from leukocyte telomere length and mitochondrial DNA copy number and breast cancer risk

From: Mitochondrial DNA copy number variation, leukocyte telomere length, and breast cancer risk in the European Prospective Investigation into Cancer and Nutrition (EPIC) study

Stratum

Controls

Cases

OR

95% CI

p value

Overall

522

548

1.20

(1.05–1.37)

0.009

ER+

522

245

1.18

(0.96–1.45)

0.11

ER−

522

258

1.16

(0.98–1.38)

0.09

  1. ER Estrogen receptor