Table 6.
Cohort studies of patients with ARDS published after 1999
| Author | Estenssoro46 | Luhr47 | Davidson48 | Arroliga49 | Reynolds50 | Angus13 | Fialkow51 |
| Study type | prospective | prospective | prospective | retrospective | retrospective | prospective | retrospective |
| # of subjects | 235 | 221 | 127 | 66 | 720 | 200 | 30 |
| Mean age (yrs) | 55 | 61 | 39 | 60 | 49 | 51 | |
| Severity of illness | 21** | 19** | 73*** | 23** | 17** | 18** | |
| Pa02/FiO2 | 141 | 131 | 111 | ||||
| ICU days (range) | 12 | 16 (0–93) | 21 | ||||
| Ventilator days | |||||||
| Hospital days (range) | 28(1–150) | 26 (0–117) | 44 | ||||
| 3 day mortality | 34% | ||||||
| ICU mortality | 47% | 47% | |||||
| In-hospital mortality | 58% | 43% | 36% | ||||
| 30 day mortality | 41% | 49% | 30.5% | ||||
| 6 mth mortality | 44.3% | ||||||
| 1 yr mortality | 47% | 44% |
* SAPS; **Apache 2; *** Apache 3