Table 1 Patient characteristics at inclusion
All patients | Patients with at least one WiPO | Patients without any WiPO | P valuea | |
|---|---|---|---|---|
(n = 81) | (n = 29) | (n = 52) | ||
Age (years) | 62 ± 15 | 67 ± 12 | 60 ± 16 | 0.03 |
Male gender | 41 (51 %) | 14 (48 %) | 27 (52 %) | |
Simplified Acute Physiology Score II | 47 ± 18 | 53 ± 22 | 43 ± 14 | 0.01 |
Body mass index (on admission) | 27 ± 8 | 31 ± 10 | 24 ± 6 | <0.01 |
Obesity | 22 (27 %) | 13 (45 %) | 9 (17 %) | 0.01 |
Aetiology of intubation | ||||
Pneumonia | 35 (43 %) | 13 (45 %) | 22 (42 %) | 0.99 |
Septic shock without pneumonia | 27 (33 %) | 10 (34 %) | 17 (33 %) | 0.93 |
Coma | 6 (7 %) | 0 (0 %) | 6 (7 %) | <0.01 |
Drug poisoning of other origin | 2 (2 %) | 0 (0 %) | 2 (2 %) | <0.01 |
Neuromuscular disease | 5 (6 %) | 0 (0 %) | 5 (10 %) | 0.07 |
Cardiogenic shock | 4 (5 %) | 4 (14 %) | 0 (0 %) | 0.01 |
Exacerbation of COPD | 2 (2 %) | 2 (7 %) | 0 (0 %) | 0.24 |
Previous COPD | 17 (21 %) | 11 (38 %) | 6 (11 %) | 0.01 |
Previous cardiovascular diseases | ||||
Hypertension | 53 (65 %) | 22 (76 %) | 31 (60 %) | 0.22 |
Atrial fibrillation | 13 (16 %) | 9 (31 %) | 4 (8 %) | 0.01 |
“Structural” cardiopathy | 32 (39 %) | 19 (69 %) | 13 (25 %) | 0.00 |
Dilated cardiopathy | 23 (28 %) | 14(48 %) | 9 (17 %) | 0.00 |
Hypertrophic cardiopathy | 7 (4 %) | 4 (3 %) | 3 (4 %) | 0.41 |
Significant valvular disease | 2 (2 %) | 1 (3 %) | 1 (2 %) | 0.75 |
Coronary artery disease | 13 (16 %) | 6 (21 %) | 7 (13 %) | 0.59 |
Sepsis-related cardiopathy | 6 (6 %) | 5 (17 %) | 1 (2 %) | 0.01 |
Left ventricular ejection fraction <45 % | 27 (33 %) | 16 (55 %) | 11 (21 %) | <0.01 |
Total ventilation duration (days) | 13 ± 14 | 20 ± 15 | 8 ± 12 | <0.01 |
Ventilation duration before the first SBT (days) | 6 ± 7 | 6 ± 6 | 4 ± 5 | 0.06 |
Total duration of ICU stay (days) | 17 ± 16 | 26 ± 16 | 12 ± 14 | <0.01 |
ICU mortality | 6 (7 %) | 2 (7 %) | 4 (8 %) | 0.76 |