Table 1 Patient demographic characteristics
Parameters | Statistic |
|---|---|
Total patients | 765 |
Gender(M/F) | 128/637 |
Age | 14.5 ± 1.7 |
Weight, kg | 47.9 ± 7.9 |
Height, cm | 161.2 ± 8.0 |
Total blood loss, ml | 1285.7 ± 437.5 |
Intraoperative blood loss, ml | 926.8 ± 521.1 |
Hidden blood loss, ml | 693.5 ± 473.4 |
Postoperative drainage, ml | 464.2 ± 200.2 |
Change of Hct(%) | 11.0 ± 10.9 |
Intraoperative transfusion volume, ml | 672.4 ± 657.1 |
Postoperative transfusion volume, ml | 126.5 ± 242.9 |
Change of Hb, g/L | 36.8 ± 13.9 |
Mean operation time, min | 250.1 ± 60.5 |
Mean BMI, kg/m2 | 18.4 ± 2.8 |