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Table 1 Demographic characteristics between groups

From: Clinical course of preterm prelabor rupture of membranes in the era of prophylactic antibiotics

Characteristics Study group Control group P value
  (n = 119) (n = 51)  
Age 26.8 ± 6.1 26.2 ± 5.4 0.54
Parity    0.91
 0 76 (63.9%) 33 (64.7%)  
 ≥1 43 (36.1%) 18 (35.3%)  
Total number of antenatal care visits 5.1 ± 2.5 4.8 ± 0.6 0.39
GA at admission (weeks) 31.7 ± 1.6 31.8 ± 2.2 0.74
Median (interquartile) GA at admission (weeks) 32 (31, 33) 32 (30, 34) 0.22*
  1. Data presented as mean ± SD or n (%).
  2. GA: gestational age.
  3. * Mann–Whitney U test was used.