Levels of IL-6, IL-5Rα, CXCR3, or CXCL16 in patients with SP-ARDS on day 3 were significantly higher than those in SP patients or controls and in SP alone higher than in controls (Fig. 1, P < 0.05 or 0.01, respectively). Here, CXCL16 is linked to acute respiratory distress syndrome.