Table 3.

Mean and median expenditure and range in 2016 dollars by claim service category for Medicaid-enrolled infants with birth defects potentially related to Zika virus infection and Medicaid-enrolled infants with no reported birth defects during the first year of life in North Carolina, 2011–2016

Claim service category	Infants with birth defects potentially related to Zika virus infection (n = 551)			Infants with no reported birth defects (n = 365,318)			Mean expenditure ratio
	Mean (SD)	Median (IQR)	Range	Mean (SD)	Median (IQR)	Range
<60 days
Total paid	34,836 (81,129)	11,192 (33,462)	2–1,226,719	2,889 (9,401)	1,233 (690)	0–1,198,903	12.1*
Inpatient facility	28,031 (75,773)	6,389 (26,266)	0–1,176,938	1,977 (8,236)	586 (308)	0–1,176,231	14.2*
Outpatient facility	377 (989)	0 (319)	0–10,084	59 (225)	0 (19)	0–17,357	6.4*
Professional/physician	5,765 (7,439)	2,477 (7,453)	0–49,763	682 (1,552)	410 (314)	0–36,900	8.5*
Drug/pharmacy	38 (162)	0 (16)	0–2,113	13 (105)	0 (0)	0–32,321	2.9*
<365 days
Total paid	69,244 (134,362)	30,544 (64,056)	21–2,107,324	4,771 (13,809)	2,541 (2,044)	0–3,191,215	14.5*
Inpatient facility	39,156 (106,890)	13,795 (32,172)	0–1,925,587	2,159 (10,193)	587 (338)	0–2,580,705	18.1*
Outpatient facility	3,213 (4,018)	1,860 (3,806)	0–26,637	334 (807)	98 (360)	0–136,750	9.6*
Professional/physician	12,932 (20,227)	6,774 (11,519)	0–188,971	1,576 (2,529)	1,204 (830)	0–167,985	8.2*
Drug/pharmacy	5,164 (24,171)	254 (1,603)	0–294,689	231 (2,188)	47 (146)	0–544,974	22.4*

^*p < 0.05 by chi-square test.