. Author manuscript; available in PMC: 2017 Oct 1.

Published in final edited form as: Obstet Gynecol. 2016 Oct;128(4):754–760. doi: 10.1097/AOG.0000000000001648

Table 4.

Outcomes stratified by performance of sentinel lymph node biopsy.

Outcome	No Sentinel Lymph Node Biopsy		Sentinel Lymph Node Biopsy
	Median	IQR	Median	IQR	P-value
Length of stay	3	(2-4)	2	(1-3)	<0.001
Total cost	8,095.32	(5,917.04-11280.69)	7,599.01	(5,738.73-9,922.66)	<0.001
Fixed cost	4,132.02	(2,815.69-5,918.68)	3,798.16	(2,609.42-5,289.17)	<0.001
Variable cost	3,836.33	(2,696.67-5,646.02)	3,566.21	(2,728.25-4,929.32)	0.01

Cost expressed as 2015 US dollars. Length of stay presented as days. Data presented as medians with interquartile range (IQR) and compared using Wilcoxon tests.