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Table 1 Comparison of general data between the control group and study group

From: The application of prophylactic balloon occlusion of the internal iliac artery for the treatment of placenta accreta spectrum with placenta previa: a retrospective case-control study

  Control group Study group t (X2) P
N 56 48   
Age, years (mean ± SD) 33.46 ± 4.53 32.08 ± 3.94 1.65 0.103
Gestational weeks (mean ± SD) 36.05 ± 1.66 35.57 ± 1.97 1.36 0.177
Number of pregnancies (mean ± SD) 3.23 ± 1.53 2.81 ± 1.30 1.54 0.138
Number of caesarean sections (mean ± SD) 1.18 ± 0.39 1.19 ± 0.45 −0.11 0.913
Invasive placenta [N (%)] 25 (44.64%) 28 (58.33%) 1.938 0.164
  1. SD Standard deviation.