CTSD and Sepsis: Similarly, cathepsin D and LVV-H7 levels were significantly higher in the sepsis group (849 ± 703.1 and 371.7 ± 190.5 ng/mL, respectively) (p < 0.001) than in the non-sepsis (337.4 ± 141.1 and 194.5 ± 63.1 ng/mL, respectively) and control (220.4 ± 86.5 and 82.3 ± 6.4 ng/mL, respectively) groups.