Factors | Variables | Assignment |
---|---|---|
Sepsis | Y | yes = 1, no = 2 |
Age(y) | X1 |  ≥ 35 = 1, < 35 = 2 |
Gestational diabetes | X2 | yes = 1, no = 2 |
Vaginal delivery attempt | X3 | yes = 1, no = 2 |
Premature rupture of membranes | X4 | yes = 1, no = 2 |
Preoperative hemoglobin (g/L) | X5 |  ≤ 105 = 1, > 105 = 2 |
Estimated blood loss during surgery(ml) | X6 |  ≥ 400 = 1, < 400 = 2 |
Postoperative urinary tube implacement | X7 | yes = 1, no = 2 |