Table 2.

Multivariable logistic regression models predicting completion mastectomy in pre- and postmenopausal women who attempted BCS and received chemotherapy

	Premenopausal N = 45			Postmenopausal N = 65
	OR	95% CI	p value	OR	95% CI	p value
Chemotherapy
Neoadjuvant versus adjuvant	0.88	0.11–7.03	0.903	2.62	0.71–9.68	0.148
Mean tumor size (cm)	1.66	1.01–2.72	0.045	1.02	0.74–1.40	0.912
Mean positive nodes	0.96	0.78–1.17	0.671	0.99	0.90–1.11	0.968
Margin status
Positive versus negative	21.46	2.21–208.71	0.008	2.36	0.62–9.04	0.209