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Table 1 Ratios between analyzed elements and selenium among BRCA1 mutation carriers

From: Arsenic (As) and breast cancer risk

As/Se

Cases (n=99)

Controls (n=198)

OR

p-value

0.016 - 0.044[

21(21,2%)

53(26,8%)

1.000

-

[0.044 - 0.058[

21(21,2%)

53(26,8%)

1.000

0.163776

[0.058 - 0.072[

31(31,3%)

43(21,7%)

1.819

0.000587

[0.072 - 0.14

26(26,3%)

49(24,7%)

1.339

0.005561