Table 2 Comparison by transfusion status with effect estimates effect estimates are reported with 95% confidence intervals; p-values adjusted using the Bonferroni–Holm method.
From: Risk factors for blood transfusion during cesarean section in women with major placenta previa
Characteristic | No transfusion (n = 90) | Transfusion (n = 20) | Effect estimate (95% CI) | Raw p | Corrected p |
|---|---|---|---|---|---|
Age (years) | 34.8 (4.9) | 34.6 (4.4) | Mean diff − 0.20 (− 2.38 to 1.98) | 0.890 | 1.000 |
Gestational week at cesarean | 33.9 (3.2) | 32.2 (4.3) | Mean diff − 1.70 (− 3.70 to 0.30) | 0.108 | 0.539 |
Elective cesarean | 40 (44.4%) | 8 (40.0%) | OR 0.83 (0.31–2.23) | 0.717 | 1.000 |
Antepartum bleeding | 69 (76.7%) | 17 (85.0%) | OR 1.72 (0.46–6.46) | 0.556 | 1.000 |
Previous cesarean | 16 (17.8%) | 10 (50.0%) | OR 4.63 (1.65–12.95) | 0.007 | 0.049 |
ART | 14 (15.6%) | 3 (15.0%) | OR 0.96 (0.25–3.71) | 1.000 | 1.000 |
Previous curettage | 29 (32.2%) | 12 (60.0%) | OR 3.16 (1.16–8.56) | 0.020 | 0.120 |