Table 3A: Overall survival in relation to OC use.

 

n

HR crude (95% CI)

d/m

HR adjusteda (95% CI)

d/m

HR adjustedb (95% CI)

d/m

Total BC cases

765

764

190/1

755

185/10

413

107/352

OC never

364

1.00

115/0

1.00

114/4

1.00

69/170

OC ever

400

0.58 (0.43-0.77)*

75/0

0.77 (0.56-1.10)

71/5

0.67 (0.43-1.04)

38/181

 

 

 

 

 

 

N(number) stands for total cases included in the analysis, d for total deaths in analyses and m for missing data.

aAdjusted for age, BMI, and socioeconomic status

bAdjusted for age BMI, socioeconomic status, size of tumor, lymphnod einvolvement, grade of tumor (according to Nottingham), PgR, ER, HER2, P27, Ki67.