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. 2019 Aug 31;33(11):12825–12837. doi: 10.1096/fj.201901436RR

TABLE 1.

Cohort characteristics

Variable Preterm Term P
Stooled <48 h 37 34
Male 49% 56% 0.5580
Black/African American 78% 91% 0.1361
Maternal age (yr) 26.94 ± 6.00 25.15 ± 4.64 0.1731
Gestational age (wk) 27.51 ± 2.71 39 ± 1.15 <0.0001
Birthweight (g) 874.1 ± 266.81 3115 ± 360.06 <0.0001
CRIB-II score 10 (8:13) 0 (0:0) <0.0001
Apgar score (5 min) 6 (5:9) 9 (9:9) <0.0001
Cesarean delivery (%) 68 35 0.0058
Prenatal antibiotics (%) 32 38 0.5987
Prenatal antibiotic doses (n)a 1 (1:1.5) 2 (1:2) 0.2231
Postnatal antibiotics (%) 92 0 <0.0001
16S rRNA positive (%) 92 94 0.5397
ITS rDNA positive (%) 88 65 0.0224

Data is displayed as n ± sd or median (25% quartile: 75% quartile). aNumber of doses received prenatally in infants that received prenatal antibiotic doses.