Table 2.

Crude Outcomes in Patients Who Underwent Partial Mastectomy for Breast Cancer Categorized by Surgery Day of the Week.

	Surgery day of the week
	Monday		Tuesday		Wednesday		Thursday		Friday
	n = 18,893		n = 29,313		n = 32,289		n = 33,088		n = 33,027		P-value
Postoperative length of stay, days	4	(2-6)	4	(3-6)	4	(3-6)	4	(3-6)	4	(3-6)	<0.001
Total length of stay, days	7	(5-9)	6	(5-8)	6	(5-8)	6	(5-8)	6	(5-8)	<0.001
Total hospitalization costs, US dollar	6,127	(5,639-6,711)	6,058	(5,572-6,629)	6,124	(5,597-6,648)	6,143	(5,642-6,673)	6,137	(5,604-6,692)	<0.001
Postoperative complications	707	(3.7)	815	(2.8)	1,100	(3.4)	1,000	(3.0)	1,234	(3.7)	<0.001

Data are presented as median (interquartile range) or n (%).