The IL-6 level on the day of mcVAP and suspVAP was 106 pg/mL (IQR: 58.3-259.0) and 112 pg/mL (IQR: 58.3-259), respectively, whereas it was 33.55 ng/L (IQR: 19.6-59.2) in non-VAP patients (p<0.001; η2 = 0.14, AUC 0.82 and 0.81, respectively). Here, IL6 is linked to ventilator-associated pneumonia.