[American Thoracic Society American Thoracic Society 2010 International Conference, May 14-19, 2010 • New Orleans - ()] B23. CAN ACUTE LUNG INJURY/ACUTE RESPIRATORY DISTRESS SYNDROME CASES BE SUB-CATEGORIZED: EPIDEMIOLOGY AND PROGNOSIS - High Plateau Airway Pressures (PAP) Correlate With Increased Mortality In Pulmonary Acute Respiratory Distress Syndrome (p-ARDS) Whereas Positive Fluid Balance (FB) is Associated With Increased Mortality In Extrapulmonary ARDS (ep-ARDS)