. Author manuscript; available in PMC: 2021 Jan 1.

Published in final edited form as: Am J Obstet Gynecol. 2019 Jul 31;222(1):66.e1–66.e9. doi: 10.1016/j.ajog.2019.07.039

Table 3.

Percent Difference in Median Hospital Charges in Pre-ERAS and ERAS Cohorts.

	Percent Difference in Median Hospital Charges^a	p-value^c
Laboratory Services	−20% (−39% to 0%)	0.044
Interventional Radiology	N/A^b	-
Emergency Department Care	N/A^b	-
Outpatient Care	3% (−55% to 72%)	0.364
Perioperative Care	−1% (−9% to 11%)	0.789
Diagnostic Procedures	N/A^b	-
Transfusion-related Services	N/A^b	-
Physical / Occupational Therapy	N/A^b	-
Pharmacy Services	−30% (−41% to −14%)	< 0.001
Room & Board	−25% (−47% to −20%)	0.005
Pathology	−12% (−38% to 22%)	0.285
Material Goods	−64% (−81% to −44%)	< 0.001
Miscellaneous	N/A^b	-
Overall	−15.6% (−24.5% to −5%)	0.008

Values within parentheses represent 95% confidence interval.

The absolute percent difference with estimated 95% confidence interval.

Percent change unable to be determined due to median hospital charge in pre-ERAS and/or ERAS group being $0 for given service category.

Wilcoxon rank-sum test among pre- and post-ERAS charges ERAS: Enhanced Recovery After Surgery; N/A: not applicable.