Table 1.
Comparison Between Survivor and Nonsurvivor Patients With ARDS.
| Characteristics | Survivors | Death | P |
|---|---|---|---|
| Number of patients | 328 | 196 | |
| Age, mean (SD) | 60.3 (16.5) | 64.2 (5.4) | .07 |
| Male gender, n (%) | 192 (58.5) | 118 (60.2) | .77 |
| Admission type, n (%) | .77 | ||
| Medical | 256 (78.0) | 148 (75.5) | |
| Surgical | 54 (16.5) | 37 (18.9) | |
| Trauma | 18 (5.5) | 11 (5.6) | |
| SAPS 2, mean (SD) | 48.2 (18.7) | 55.9 (18.6) | <.001 |
| Barthel, mean (SD) | 85.4 (28.3) | 81.3 (29.4) | .11 |
| SOFA, mean (SD) | 8.4 (3.9) | 9.6 (4.0) | .001 |
| COPD, n (%) | 45 (13.7) | 26 (13.3) | .99 |
| Chronic renal failure, n (%) | 40 (12.2) | 33 (16.8) | .18 |
| Diabetes, n (%) | 69 (21.0) | 53 (27.0) | .14 |
| Alcoholism, n (%) | 28 (8.5) | 19 (9.7) | .77 |
| Nonmetastatic cancer, n (%) | 28 (8.5) | 29 (14.8) | .04 |
| Metastatic cancer, n (%) | 5 (1.5) | 10 (5.1) | .03 |
| Hematologic cancer, n (%) | 12 (3.7) | 24 (12.2) | <.001 |
| AIDS, n (%) | 2 (0.6) | 5 (2.6) | .14 |
| Worsening X-ray, n (%) | 42 (12.8) | 33 (16.8) | .25 |
| Worsening gas exchange, n (%) | 48 (14.6) | 42 (21.4) | .06 |
| Time to infection, median (IQR) | 7.0 (4.0-11.0) | 8.0 (5.0-12.2) | .12 |
| VA-LRTI, % | .26 | ||
| None | 266 (81.1) | 148 (75.5) | |
| VAT | 32 (9.8) | 22 (11.2) | |
| VAP | 30 (9.1) | 26 (13.3) |
Abbreviations: AIDS, acquired immunodeficiency syndrome; ARDS, acute respiratory distress syndrome; COPD, chronic obstructive pulmonary disease; IQR, interquartile range; SAPS 2, Simplified Acute Physiology Score 2; SD, standard deviation; SOFA, Sequential Organ Failure Assessment; VA-LRTI, ventilator-associated lower respiratory tract infections; VAP, ventilator-associated pneumonia; VAT, ventilator-associated tracheobronchitis.