Figure 4

Overall survival curves in patients with advanced pancreatic cancer according to 4 risk groups (combining baseline NLR and ΔNLR). Survival curves were estimated using Kaplan-Meier method. Total 132 patients, 116 passed away by July, 2016. The median OS of group A, B, C and D were 15.2 months (95% CI: 13.2–17.2), 7.6 months (95% CI: 4.9–10.2), 6.8 months (95% CI: 5.1–8.4) and 3.8 months (95% CI: 2.9–4.7), respectively.