Figure 4

Biomarker levels in VAP patients with and without ALI/ARDS. Plasma levels of CC16, sRAGE, SP-D and KL-6 in patients developing ventilator-associated pneumonia. Open circles: patients without ALI/ARDS after onset of ventilator-associated pneumonia, closed circles: patients who progressed to ALI/ARDS at or after onset of ventilator-associated pneumonia.