Fig. 1

Kaplan–Meier survival curves of patients with unresectable pancreatic cancer in Group 1 (standard oncologic therapy, n = 86) and Group 2 (evaluation of symptoms of pancreatic exocrine insufficiency [PEI] and the need for pancreatic enzyme replacement therapy [PERT] in addition to standard oncologic therapy, n = 74). The hazard ratio (HR) and 95% confidence interval (CI) associated with Group 2 are shown. Log-rank test (Mantel–Cox) P < 0.001