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Table 2 Clinical data of prenatal antibiotic treatment H group and L group

From: Prenatal and postnatal antibiotic exposure influences the gut microbiota of preterm infants in neonatal intensive care units

Clinical data

H group

L group

Statistical method

P value

Gestational age (d)

227 (ranging 218–237)

230 (ranging 222–242)

Non-parametric test

0.09

Birth weight (g)

1715 (1050–1955)

1900 (1415–2155)

Non-parametric test

0.101

Delivery mode (CS/VD)

1/10

1/10

Chi square test

1

Gender (male/female)

4/7

4/7

Chi square test

1

Feeding (premature infant formula/mixed feeding/breastfeeding)

3/3/5

3/3/5

Chi square test

1

Duration of antibiotics use (d)

10 (9–16)

6 (3–7)

Non-parametric test

0

Prenatal antibiotic (d)

0 (0–3)

0 (0–4)

Non-parametric test

0.949

Postnatal antibiotic (d)

10 (7–13)

4 (3–7)

Non-parametric test

0

PROM (yes/no)

5/6

5/6

Chi square test

0

Histological chorioamnionitis (positive/negative/no. of inspection)

3/5/3

2/5/4

Chi square test

NA

  1. VD vaginally delivered, CS cesarean section, PROM premature rupture of membranes