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Table 1 Comparison of cases and controls

From: Effect of Prior Bilateral Oophorectomy on the Presentation of Breast Cancer in BRCA1 and BRCA2 Mutation Carriers

Variables

Controls (no bilateral oophorectomy) (27 sets, 138 subjects)

Cases (had bilateral oophorectomy) (N = 27)

P

mean DOB

1943.8

1943.4

0.86*

mean age of diagnosis (range)

47.9 (35.7-63.3)

48.0 (36.0-63.2)

0.96*

mutation

   

   BRCA1

74.1%

74.1%

 

   BRCA2

25.9%

25.9%

 

ER-status (pos %)

33.6

40.0

0.62*

missing (n)

5

7

 

size (cm) (range)

1.95 (1.0-3.0)

1.50 (0.2-3.2)

0.01*

missing (n)

1

1

 

nodal status (% positive)

33.7

18.5

0.11*

  1. * The data reported in the control column are mean of means of each set and were used in the tests.