Fig 1. Two-dimensional electrophoresis images of the serum of sepsis patient No. 1.

Serum as collected A) at the start of treatment, B) after 1 day, C) after 3 days, D) after 5 days, and E) after 7 days. The data for the remaining 19 patients are included in the supplementary files (S1–S19 Figs).