Table 4.

Logistic regression.

Variable	Odds ratio	95% CI	P value
Age at diagnosis <40	1.27	0.71–2.28	0.40
Triple negative	5.08	2.66–9.67	<0.0001
Bilateral or second primary breast cancer	1.01	0.43–2.36	0.99
History of two or more close relatives with breast cancer	3.24	1.78–5.89	0.0001
History of one or more close relatives with invasive ovarian cancer	2.97	1.04–8.52	0.043

CI : confidence interval.