Table 1 Characteristic of patients with acute respiratory distress syndrome (ARDS) on admission to the ICU
SOAP study | ICON audit | p value | |
|---|---|---|---|
N | 327 | 494 | |
Age, years, mean ± SD | 59 ± 17 | 61 ± 16 | 0.124 |
Male, n (%) | 194 (59.3) | 321 (65) | 0.079 |
Referring facility, n (%) | 0.016 | ||
ER/ambulance | 54 (18.5) | 170 (34.4) | |
Hospital floor | 104 (35.6) | 156 (31.6) | |
OR/recovery room | 77 (26.4) | 72 (14.6) | |
Other hospital | 57 (19.5) | 61 (12.3) | |
Other | – | 35 (7.1) | |
Type of admission, n (%) | < 0.001 | ||
Medical admission | 178 (54.4) | 369 (74.7) | |
Elective surgery | 58 (17.7) | 48 (9.7) | |
Emergency surgery | 91 (27.8) | 77 (15.6) | |
Severity scores, mean ± SD | |||
SAPS II score | 47.7 ± 17.6 | 51.2 ± 17.1 | 0.002 |
SOFA score, total | 7.9 ± 4.4 | 9.5 ± 4.1 | < 0.001 |
Comorbidities, n (%) | |||
Non metastatic cancer | 34 (10.4) | 49 (9.9) | 0.528 |
Diabetes, insulin dependent | 18 (5.5) | 43 (8.7) | 0.087 |
Cirrhosis | 11 (3.4) | 26 (5.3) | 0.199 |
Metastatic cancer | 9 (2.8) | 21 (4.3) | 0.442 |
Hematologic cancer | 19 (5.8) | 25 (5.1) | 0.641 |
Chemotherapy | 6 (1.8) | 25 (5.1) | 0.023 |
HIV | 0 (0) | 8 (1.6) | 0.025 |
Risk factors for ARDS, n (%) | |||
Shock, any cause | 160 (48.9) | 272 (55.1) | 0.085 |
Polytrauma | 28 (8.6) | 35 (7.1) | 0.436 |
Pancreatitis | 12 (3.7) | 17 (3.4) | 0.862 |
Near drowning | 2 (0.6) | 0 (0) | 0.082 |
Burns | 2 (0.3) | 0 (0) | 0.219 |
PaO2/FiO2, mean ± SD | 164 ± 90 | 172 ± 108 | 0.920 |