Table A2.

Additional Detail on Infant Cost Estimates

Infant Outcome	Hospital	Pediatrician	Total
Failed TOLAC/ERCD
Neonatal death	50,000	2,151	52,151
CP (Failed TOLAC only)	73,438	8,976	82,414
HIE	36,719	4,158	40,877
Sepsis	5,597	2,954	8,551
RDS	23,317	2,151	25,468
TTN	6,509	2,151	8,660
Acidemia	5,183	2,151	7,334
Infant well discharge	771	124	895
Uterine rupture
Neonatal death	50,000	2,151	52,151
CP	73,438	8,976	82,414
HIE	36,719	4,158	40,877
Sepsis	5,597	2,954	8,551
RDS	23,317	2,552	25,869
TTN	6,509	2,552	9,061
Acidemia	5,183	2,552	7,735
Infant well discharge	771	156	927
Successful TOLAC
Neonatal death	50,000	2,151	52,151
CP	73,438	8,976	82,414
HIE	36,719	4,158	40,877
Sepsis	5,597	2,954	8,551
RDS	23,317	2,151	25,468
TTN	6,509	2,151	8,660
Acidemia	5,183	2,151	7,334
Infant well discharge	771	91	862

Currency in dollars ($); TOLAC, trial of labor after a previous cesarean; CP, cerebral palsy; HIE, hypoxic ischemic encephalopathy; RDS, respiratory distress syndrome; TTN, transient tachypnea of the newborn

Hospital costs were obtained from HCUPnet¹⁷, ICD-9 codes; HIE, 768.7; infection, 771.81; RDS, 769; TTN, 770.6; infant well 795 (DRG)

Pediatrician costs based on length of stay from the Cesarean Registry and 2010 CPT codes¹⁸ adjusted to 2009 dollars; 99460, 99466, 99468, 99469; for no other infant morbidity, pediatrician coverage was assigned in the base-case as 4 days for rupture, 3 days for ERCD and failed TOLAC, 2 days for successful TOLAC. For ERCD, rupture, failed TOLAC, an additional day was added for the outcomes RDS, TTN, acidemia and an additional 2 days for successful TOLAC. For all modes of delivery, infection, HIE and CP were assumed to have a pediatrician coverage of 6, 9 and 21 days respectively. CP costs through hospital discharge.