Five-year survival of pancreatic ductal adenocarcinoma cancer patients by Physical Component Summary (PCS) scores categorised into tertiles. (A) Overall population (N = 2478), (B) patients with available tumour stage information (N = 1013), (C) patients with stage I & II (N = 318), (D) patients with stage III & IV (N = 695). Higher PCS scores indicate better physical quality of life. High, ≥45.7; medium, 32.7–45.7; low, <32.7.