Table 4.

Multivariate logistic regression, N=95^a

Variable	Reference	OR	95% CI		P- value
Age	age > 40 vs age ≤ 40	0.315	0.080	1.234	0.0972
Triple negative	Yes vs No	7.460	1.655	33.624	0.0089
Number of 1st or 2nd degree relatives	Relatives ≥2 vs Relatives < 2	13.212	2.201	79.296	0.0048
Bilateral or second primary breast cancer	Yes vs No	19.304	3.969	93.882	0.0002

OR Odds Ratio estimates, CI Wald Confidence Interval

^aFive patients (patients 061, 063, 020, 070 and 071) were relatives to the index case tested in their families, therefore they were excluded from this analysis, see footnote to Table 2