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. Author manuscript; available in PMC: 2015 Jul 28.
Published in final edited form as: Sci Adv. 2015 Apr 24;1(3):e1500175. doi: 10.1126/sciadv.1500175

Table 1.

Demographics for ARDS and non-lung disease ICU patients.

Group Age Sex Race PaO2/FIO2 APACHE II score 30-Day mortality
ARDS (n = 6) 59.5 (6.8) 50% male, 50% female 66% white, 34% black 149.5 (60) 25.5 (2.6) 66%
Non-lung disease (n = 6) 46.1 (9.7) 66% male, 34% female 66% white, 34% black 469.2 (80) 11.0 (4.9) 0%
P (between groups) <0.05 ns ns <0.05 <0.05 <0.05

Values represent means ± SD. All ARDS subjects were secondary to documented gram-negative sepsis and intubated because of respiratory failure. Non-lung disease control subjects were intubated for various reasons unrelated to respiratory failure (one for airway protection secondary to gastrointestinal bleed, two for metabolic acidosis secondary to diabetic ketoacidosis, two for overdose, and one for airway protection status post–cerebrovascular accident). ns, no significant difference.