Intervention

p-value

Nifedipine
n=94

Bed rest
n=94

Gestational age of delivery in week
(mean ± SD)

37.31 ± 2.05

35.88 ± 2.45

0.021

Birth weight
(mean ± SD)

2,845.70 ± 504.59

2,687.84 ± 707.86

0.040

APGAR at 1 minute 
  Mean ± SD
  (min,max)

8.88 ± 0.47
(6,10)

8.58 ± 0.76
(6,10)

0.002

APGAR at 5 minute
  Mean ± SD
  (min,max)

9.86 ± 0.44
(7,10)

9.58 ± 0.72
(7,10)

0.003