Outcomes | Community-acquired ARDS | Hospital-acquired ARDS | ICU-acquired ARDS | p |
---|---|---|---|---|
 | (n = 70) | (n = 83) | (n = 143) |  |
Mortality –no.(% [95 % CI]) | ||||
 In ICU | 26 (37*[26–49]) | 51 (61[51–72]) | 75 (52[44–61]) | 0.001 |
 At 28-day | 31 (44*[33–56]) | 56 (68[57–78]) | 89 (62[54–70]) | 0.012 |
 At 60-day | 33 (47*[35–59]) | 58 (70[60–80]) | 92 (64[56–72]) | 0.001 |
 At 90-day | 33 (47*[35–59]) | 59 (71[61–81]) | 97 (68[60–76]) | 0.001 |
 In hospital | 34 (49*[37–60]) | 61 (74[64–83]) | 97 (68[60–76]) | 0.001 |
No. of ventilator-free days, days 1 to 28 | 16 ± 9 | 14 ± 10 | 11 ± 9†| 0.001 |
No. of ICU-free days, Days 1 to 28 | 8 ± 10* | 4 ± 8 | 3 ± 6 | 0.001 |