Table 3.

Results of Multinomial Regression Analysis

Predictor	Adjusted Odds Ratio (95% CI)	Test Statistic	P*
Omnibus likelihood ratio (χ2 [df])		183.496 (16)	<0.001*
Age at diagnosis
Lumpectomy alone	1.057 (1.021–1.094)	0.055	0.002*
Mastectomy alone	1.087 (1.049–1.127)	0.084	<0.001*
Anxiety or depression
Lumpectomy alone	0.223 (0.072–0.687)	−0.751	0.009*
Mastectomy alone	0.264 (0.085–0.824)	−0.666	0.022*
ASA 3 or 4
Lumpectomy alone	0.405 (0.169–0.970)	−0.452	0.043*
Mastectomy alone	0.453 (0.189–1.089)	−0.396	0.077
Cancer stage 3 or 4
Lumpectomy alone	0.034 (0.004–0.301)	−1.686	0.002*
Mastectomy alone	1.272 (0.451–3.589)	0.120	0.650
Radiation therapy
Lumpectomy alone	41.165 (16.492–102.753)	1.859	<0.001*
Mastectomy alone	4.047 (1.760–9.304)	0.699	0.001*
Chemotherapy
Lumpectomy alone	0.204 (0.084–0.494)	−0.795	<0.001*
Mastectomy alone	1.333 (0.556–3.195)	0.144	0.519
ECOG performance status
Lumpectomy alone	0.344 (0.153–0.775)	−0.534	0.010*
Mastectomy alone	0.365 (0.160–0.835)	−0.503	0.017*
ESAS distress score
Lumpectomy alone	1.034 (1.004–1.064)	0.033	0.025*
Mastectomy alone	1.031 (1.004–1.059)	0.031	0.023*

*p < 0.05.

The reference group is oncology surgery with breast reconstruction.

ASA, American Society of Anesthesiologists; df, degrees of freedom.