Preoperative Butyrylcholinesterase Level as an Independent Predictor of Overall Survival in Clear Cell Renal Cell Carcinoma Patients Treated with Nephrectomy

Table 3

Multivariate analysis in 400 patients with clear cell renal cell carcinoma.

Variable	Wald	95% CI	P value
M stage	27.784	0.085–0.324	<0.001
BChE	9.022	0.173–0.691	0.003
Age	2.444	0.963–1.004	0.118
Hemoglobin	1.979	0.287–1.228	0.160
N stage	1.226	0.268–0.562	0.268
T stage	0.846	0.413–4.179	0.846
C-reactive protein	0.352	0.402–1.629	0.553
Performance status	0.095	0.353–2.135	0.759
Corrected calcium	0.004	0.340–2.752	0.950
Albumin	0.003	0.501–2.081	0.954

CI: confidence interval; BChE: butyrylcholinesterase; TNM: tumor-node-metastasis staging.