Figure 2

Kaplan–Meier survival estimates for HIF-1 α (A–C), CAIX (D–F) and GLUT1 (G–I). (A) HIF-1α-positive vs –negative, (B) HIF-1α ⩽10% vs >10%, (C) HIF-1α strong positive, weak positive, negative, (D) CAIX positive vs negative, (E) CAIX ⩽10% vs >10%, (F) CAIX strong positive, weak positive, negative, (G) GLUT1 positive vs negative, (H) GLUT1 ⩽10% vs >10% and (I) GLUT1 strong positive, weak positive, negative.