CHI3L1 and Sepsis: In remission of sepsis (Days 7 to 10), serum YKL-40 (median (25th–75th): 24.1 (18.0–35.5) pg/mL) and CRP levels (median (25th–75th): 1.1 (0.40–1.9) mg/L) were significantly lower than levels upon admission (p = 0.004 and p < 0.001, respectively; Wilcoxon signed rank test).