Skip to main content

Table 2 Comparison of baseline characteristics between the NEC and control samples before and after propensity score matching

From: Long term healthcare costs of infants who survived neonatal necrotizing enterocolitis: a retrospective longitudinal study among infants enrolled in Texas Medicaid

  NEC No NEC
Characteristics (n = 316) Before matching After matching
(n = 122,929) (n = 2,909)
Prematurity 212 (67%) 15,451 (13%)** 1869 (64%)
ELBW status 101 (32%) 921 (0.8%)** 759 (26%)*
Race    
African-American 36 (11%) 7,777 (6%)** 350 (12%)
White 35 (11%) 13,964 (11%) 257 (9%)
Hispanic 111 (35%) 68,361 (56%) 1,407 (48%)
Other / Unknown 134 (43%) 32,827 (27%) 895 (31%)
Male 173 (55%) 62,252 (51%) 1,480 (51%)
Birth defects    
Any major birth defects 153 (48%) 8874 (7%)** 1,279 (44%)
Patent ductus arteriosus 95 (30%) 2284 (2%)** 501 (17%)**
Neural tube defects 33 (10%) 1101 (1%)** 200 (7%)*
  1. ELBW extremely low birth-weight (BW <1000g), NEC necrotizing enterocolitis.
  2. **p<0.01 and *p<0.05.
  3. Includes congenital heart disease (CHD), neural tube defects, hereditary degenerative CNS conditions and cleft lip or palate.