CD4 and Sepsis: The MFIs of CHOP and GRP78 on CD4+ lymphocytes were statistically higher in the non-surviving elderly sepsis patients (398.7 versus 318, P=0.021 and 418.5 versus 329.0, P=0.021 respectively), while the MFIs of LC3II and P62 were also slightly higher (257.5 versus185.4, P=0.128 and 322.9 versus 294.8, P=0.450 respectively) (Supplementary File S6).