The independent predictors of septic ARDS included LCN2 (OR = 1.491, 95% CI 1.073–2.072, P = 0.017), miR-122-5p (OR = 1.797, 95% CI 1.081–2.989, P = 0.024), and miR-223-3p (OR = 1.767, 95% CI 1.261–2.476, P < 0.001) (Table 2). Here, LCN2 is linked to acute respiratory distress syndrome.