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Table 3 Odds ratios and 95% confidence interval of breast cancer associated with viral hepatitis by age

From: Association between chronic viral hepatitis infection and breast cancer risk: a nationwide population-based case-control study

Viral hepatitis B & C

Age < 50 years

Age ≥ 50 years

 

Cases

Controls

ORa

(95% CI)

Cases

Controls

ORa

(95% CI)

No

910

3722

1.00

(reference)

850

3380

1.00

(reference)

HCV

24

48

2.03

(1.23-3.34)*

32

130

1.00

(0.67-1.49)

HBV

72

267

1.10

(0.84-1.45)

51

213

0.97

(0.71-1.33)

HBV + HCV

10

27

1.59

(0.77-3.31)

9

45

0.83

(0.40-1.71)

  1. aAdjusted for area, occupation, urbanization, and income
  2. *p < 0.01 based on Wald tests
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BMC Cancer

ISSN: 1471-2407

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