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. 2016 May;98(5):314–319. doi: 10.1308/rcsann.2016.0126

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