Fig. 1

Kaplan–Meier survival curves for progression-free survival (PFS) based on: (A) PVR gene expression, (B) PVR serum level, (C) Serum amylase, (D) Urinary IGFBP-7/creatinine, and (E) Urinary TIMP-2/creatinine. Log-rank p-values are indicated for each comparison