. Author manuscript; available in PMC: 2015 Oct 1.

Published in final edited form as: Ann Surg Oncol. 2014 May 6;21(11):3466–3472. doi: 10.1245/s10434-014-3747-x

Table 4. Association Between Patient Characteristics and Contralateral Prophylactic Mastectomy in the Multivariate Analysis.

Parameter		Pr > ChiSq	Odds Ratio	95% CI of OR		P Value
Parameter		Pr > ChiSq	Odds Ratio	Lower Limit	Upper Limit	P Value
Intercept		0.1386
Age at diagnosis	≤ 45 yrs. vs> 45 yrs.	0.0085	3.067	1.332	7.092	0.0085
No. of relatives with an ovarian cancer diagnosis	= 0 vs ≥ 1	0.0030	4.340	1.644	11.456	0.0030
BRCA result	Positive vs not tested	0.0009	8.637	2.273	32.820	0.0041
	Positive vs Negative	0.0024	6.5702	1.9447	22.1972
	Negative vs not tested	0.0609	1.315	0.530	3.259

Abbreviations: OR, odds ratio; CI, confidence interval; Pr, probability