Table 2 Linear regression and correlation analysis of the intrinsic and extrinsic hypoxia markers in the prospective and retrospective studies

From: GLUT1 and CAIX as intrinsic markers of hypoxia in bladder cancer: relationship with vascularity and proliferation as predictors of outcome of ARCON

Parameters

Slope

Intercept

r 2

P -value

Pimo vs CAIX

0.69

+4.8

0.74

<0.0001

Pimo vs GLUT1

0.76

+3.7

0.82

<0.0001

CAIX vs GLUT1 prospective

0.91

+1.2

0.91

<0.0001

CAIX vs GLUT1 retrospective

0.90

−0.8

0.96

<0.0001

Pimo=pimonidazole; CAIX=carbonic anhydrase IX; GLUT1=glucose transporter-1 protein.