Table 1 Demographic, clinical and outcome characteristics according to ventilator types.
Variables | Total patients (n = 1078) | ICU ventilator (n = 781) | Transport ventilator (n = 297) | P-value |
|---|---|---|---|---|
Age | ||||
Mean ± SD | 52.96 ± 14.46 | 53.02 ± 14.2 | 52.82 ± 15.06 | 0.836 |
Gender (%) | ||||
Male (%) | 737 (68.4) | 521 (66.7) | 216 (72.7) | 0.058 |
Female (%) | 341 (31.6) | 260 (33.3) | 81 (27.3) | |
APACHE II | ||||
Mean ± SD | 15.40 ± 2.28 | 15.44 ± 2.25 | 15.28 ± 2.33 | 0.321 |
Re-admission (%) | ||||
Yes | 29 (2.7) | 21 (2.7) | 8 (2.7) | 0.997 |
Lesions distribution (%) | ||||
Bilateral + Multifocal | 931 (86.4) | 678 (86.8) | 253 (85.2) | 0.487 |
Others | 147 (13.6) | 103 (13.2) | 44 (14.8) | |
Lesions type (%) | ||||
GGO | 414 (38.4) | 298 (38.2) | 116 (39.1) | 0.786 |
GGO + crazy paving | 133 (12.3) | 104 (13.3) | 29 (9.8) | 0.113 |
Consolidation | 42 (3.9) | 29 (3.7) | 13 (4.4) | 0.615 |
GGO + Consolidation | 489 (45.4) | 350 (44.8) | 139 (46.8) | 0.558 |
Other findings (%) | ||||
None | 695 (64.5) | 511 (65.4) | 184 (62) | 0.897 |
Liner opacity | 174 (16.1) | 124 (15.9) | 50 (16.8) | 0.703 |
Reversed Halo sign | 49 (4.5) | 39 (5) | 10 (3.4) | 0.252 |
Pleural effusion | 55 (5.1) | 44 (5.6) | 11 (3.7) | 0.198 |
Interalesional traction bronchiectasis | 61 (5.7) | 36 (4.6) | 25 (8.4) | 0.016* |
Lymphadenopathy | 44 (4.1) | 27 (3.5) | 17 (5.7) | 0.093 |
Underlying diseases (%) | ||||
None | 1041 (96.6) | 760 (97.3) | 281 (94.6) | 0.189 |
Pulmonary | 7 (0.6) | 4 (0.5) | 3 (1) | |
Cardiac | 28 (2.6) | 16 (2) | 12 (4) | |
Kidney | 2 (0.2) | 1 (1) | 1 (0.3) | |
Presence diffuse opacity (%) | ||||
Yes | 181 (16.8) | 122 (15.6) | 58 (19.5) | 0.124 |
No | 897 (83.2) | 659 (84.4) | 239 (80.5) | |
Number of involved lobe (%) | ||||
No lobe involved | 897 (83.2) | 658 (84.3) | 239 (80.5) | 0.142 |
1 | 6 (0.6) | 4 (0.5) | 2 (0.7) | 0.550 |
2 | 49 (4.5) | 39 (5) | 10 (3.4) | 0.001* |
3 | 50 (4.6) | 31 (4) | 19 (6.4) | 0.001* |
4 | 43 (4) | 30 (3.8) | 13 (4.4) | 0.001* |
5 | 33 (3.1) | 19 (2.4) | 14 (4.7) | 0.001* |
Total opacity score | ||||
Mean ± SD | 6.14 ± 5.55 | 5.95 ± 5.31 | 6.60 ± 6.13 | 0.089 |
MV duration | ||||
Mean ± SD | 250 ± 109.1 | 254.53 ± 109.7 | 238.02 ± 106.55 | 0.026* |
Outcomes (%) | ||||
Live | 956 (88.7) | 708 (90.7) | 248 (83.5) | 0.001* |
Death | 122 (11.3) | 73 (9.3) | 49 (16.5) | |
In-hospital mortality | 12/122 (9.8) | 7 (0.9) | 5 (1.7) | 0.004* |
Out-of-hospital | 110/122 (91.2) | 66 (8.5) | 44 (14.8) | |