Age at last

Number

Breast Cancer

follow-up

of patients

Observed

Expected

SIR

95% CI

<45

176

1

0.99

1.01

0.02 - 5.62

45 - 54

156

1

2.93

0.34

0.00 - 1.90

55 - 64

118

4

4.79

0.83

0.22 - 2.13

≥65

108

2

7.31

0.27

0.03 - 0.98

Total

558

8

16.02

0.5

0.21 - 0.98