Fig. 1

Quantile plots of the corrected difference in observation frequency and Chi square values of the ICU-Sepsis (n ≥ 10) versus ICU Control (n ≥ 9). a Quantile plot of the observation frequency of tryptic peptides from ICU-Sepsis versus ICU Control. b χ² plot of the observation frequency of tryptic peptides from ICU-Sepsis versus ICU Control cancer tryptic peptides. c Quantile plot of the observation frequency of tryptic STYP peptides from ICU-Sepsis versus ICU Control. d χ² plot of the observation frequency of tryptic STYP peptides from ICU-Sepsis versus ICU Control tryptic peptides