| Alive at 60 days (n = 294) | Dead at 60 days (n = 106) | P value |
---|---|---|---|
Age | 47 [37,57] | 51 [40,65] | 0.01 |
Gender (% male) | 51 | 57 | 0.35 |
Race (%) | Â | Â | 0.04 |
  White | 70 | 55 |  |
  African American | 20 | 30 |  |
  Hispanic | 7 | 9 |  |
  Other | 3 | 6 |  |
ARDS risk factor (%) | Â | Â | Â |
  Sepsis | 38 | 53 | 0.01 |
  Aspiration | 22 | 18 | 0.33 |
  Pneumonia | 64 | 67 | 0.62 |
  Trauma | 10 | 5 | 0.10 |
  Other | 9 | 6 | 0.30 |
Comorbidities (%) | Â | Â | Â |
  Diabetes mellitus | 18 | 16 | 0.27 |
  Cirrhosis | 4 | 3 | 0.62 |
  Immunosuppression | 6 | 17 | <0.01 |
APACHE III score | 86 [67,106] | 111 [91,132] | <0.01 |
Creatinine (mg/dL) | 0.9 [0.7, 1.4] | 1.3 [0.9, 1.9] | <0.01 |
PaO2/FiO2 | 153 [104, 210] | 143 [94, 198] | 0.17 |
GDF-15 Level (pg/mL) | 5,222 [3,174, 12,748} | 9,743 [5,811, 13,462] | < 0.001 |