Intervention

p-value

Nifedipine
n = 94

Bed rest
n = 94

Age (mean ± SD)

27.3 ± 5.5

26.5 ± 5.0

0.311

Gravida
1
2
3


81 (86.2%)
11 (11.7%)
2 (2.1%)


82 (87.2%)
10 (10.6%)
2 (2.1%)

 

0.463

Parity
  0
  1


88 (93.6%)
6 (6.4%)


90 (95.7%)
4 (4.3%)


0.312

Abortion
  0
  1


79 (84.0%)
15 (16.0%)


81 (86.2%)
13 (13.8%)


0.352

Gestational age of admission in week (mean ± SD)


31.53 ± 1.58


32.42 ± 1.54


0.061

Cervical length of admission in mm
(mean ± SD)


34.07 ± 6.37


33.14 ± 8.42


0.048
Table 1: Demographic data before delivery of the patients with uterine contraction inhibition by nifedipine and bed rest.
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