Table 3.
Univariate association and predictive ability for need for blood transfusion during admission for nephrectomy (n=6,031)
Variable | n | p-value | AUC |
Serum haemoglobin | 4,293 (71.2%) | <0.001 | 0.722 |
Clinical T stage | 4,680 (77.6%) | <0.001 | 0.713 |
WHO-PS | 4,509 (74.8%) | <0.001 | 0.614 |
Procedure | 5,214 (86.5%) | <0.001 | 0.609 |
Clinical N stage | 4,707 (78.0%) | <0.001 | 0.606 |
Clinical presentation | 4,858 (80.6%) | <0.001 | 0.599 |
Clinical M stage | 4,686 (77.7%) | <0.001 | 0.595 |
Serum creatinine | 4,302 (71.3%) | 0.022 | 0.575 |
Age | 5,178 (85.9%) | <0.001 | 0.574 |
Sex | 5,197 (86.2%) | 0.106 | 0.520 |
AUC = area under the curve; WHO-PS = World Health Organization performance status