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Table 1 General characteristics of the study subjects

From: Antenatal dexamethasone use and respiratory distress in late preterm infants: results from first Vietnamese matched cohort study

Characteristics

Dexamethasone group

(n1 = 78)

Matched group

(n2 = 78)

p-value

Maternal age (year) Mean (± SD)

28.5 ± 5.1

27.6 ± 6.0

0.35

Gravidity, n (%)

  1

35 (44.9)

33 (42.3)

0.75

  ≥ 2

43 (55.1)

45 (57.7)

 

  History of preterm birth, n (%)

8 (10.3)

7 (9.0)

0.79

Gestational age at birth, n (%)

  340/7 – 346/7

6 (7.7)

5 (6.4)

0.75

  350/7 – 356/7

31 (39.7)

31 (39.7)

1.00

  360/7 – 366/7

41 (52.6)

42 (53.8)

0.87

  Birth weight, (gram) Mean (± SD)

2547 ± 507

2488 ± 344

0.40

Causes of preterm birth, n (%)

  Rupture of membranes

21 (26.9)

46 (59.0)

 < 0.0001

  Preterm labor

41 (52.6)

27 (34.6)

0.02

  Preeclampsia

6 (7.7)

1 (1.3)

0.12

  Previa placenta

3 (3.8)

0

-

  Placental abruption

0

1 (1.3)

-

  Fetal compromise

6 (7.7)

2 (2.6)

0.28

  Elective

1 (1.3)

0

-

Mode of delivery, n (%)

  Normal delivery

48 (61.5)

53 (67.9)

0.40

  Cesarean delivery

30 (38.5)

22 (28.2)

0.17

  Operative delivery (forceps)

0

3 (3.8)

-