IL18 and acute kidney injury: Levels of IL-18 predicted the development of AKI in ICU patients: IL-18 > 100 pg/mL OR 6.5 (95% CI 2.1–20.4) p < 0.001Levels of IL-18 predicted mortality in ICU patients: IL-18 >200 pg/mL OR 2.32 (95% CI 1.2–4.4) p < 0.001