Table 2 Factors at different levels
Name of factors | Parameter levels | ||
|---|---|---|---|
1 | 2 | 3 | |
Amount of anticoagulation (units) | 500 | 1000 | 1500 |
Velocity of blood flow (ml/min) | 200 | 250 | 300 |
Dehydration volume (kg) | 1.5 | 2.5 | 3.5 |
Vascular access type | Artificial blood vessel | Autologous blood vessel | Temporary duct |