Table 1 Basic information of patients undergoing cesarean section(n(%) / M(SD))
Variable | Category | Training set N = 10,147 | Prediction set N = 3,225 |
|---|---|---|---|
Age(y) | / | 30.64(4.84) | 31.00(4.24) |
Height(cm) | / | 160.54(5.47) | 160.49(4.89) |
Weight(kg) | / | 71.99(8.87) | 72.22(8.01) |
BMI(kg/m2) | / | 28.18(9.53) | 28.16(6.57) |
Pre-Hb(g/L) | / | 117.54(13.28) | 120.22(13.75) |
Post-Hb(g/L) | / | 101.60(13.38) | 105.00(14.39) |
RBC(1012/L) | / | 3.93(0.43) | 3.93(0.43) |
PLT(109/L) | / | 190.32(62.71) | 185.22(56.79) |
INR | / | 0.94(0.12) | 0.93(0.08) |
PT(s) | / | 12.13(1.23) | 11.26(1.03) |
Surgical levels | 4th | 166(1.64) | 48(1.48) |
3rd | 4,284(42.22) | 1,643(50.49) | |
2nd | 5,386(53.08) | 1,498(46.04) | |
1st | 6(0.06) | 0(0) | |
Null | 305(3.01) | 65(2.00) | |
Blood Transfusion | Y | 377(3.72) | 145(4.45) |
N | 9,770(96.28) | 3,110(95.55) | |
Mean Blood Volume/U | / | 0.13 | 0.13 |