Overall

NNI+

(N = 19)

NNI−

(N = 33)

p

Maternal variables

Mean ± SD

Mean ± SD

Mean ± SD

Age (years)

30.19 ± 5.32

30.16 ± 5.21

30.22 ± 5.43

-

Parity

1.94 ± 0.3

1.93 ± 0.3

1.94 ± 0.4

-

Gravidity

2.9 ± 0.7

2.9 ± 0.8

2.9 ± 0.5

-

Abortus

1.0

1.0

1.0

-

Birth delay under tocolysis (days)

18.3 ± 3.3

18.2 ± 4.2

18.3 ± 3.5

-

Neonatal variables

Mean ± SD

N (%)

Mean ± SD

N (%)

Mean ± SD

N (%)

Gestational age (weeks)

37.1 ± 2.0

36.2 ± 2.2

37.7 ± 1.8

0.012*

Birth weight (g)

2638 ± 588

2255 ± 562

2859 ± 485

0.000*

Sex

0.894**

Male

24 (46.2%)

9 (47.4%)

15 (45.5%)

Female

28 (53.8%)

10 (52.6%)

18 (54.5%)

Admission at NICU

0.004**

Yes

12 (23.1%)

9 (47.4%)

3 (9.1%)

No

40 (76.9%)

10 (52.6%)

30 (90.9%)