Characteristics | Total | non-ECMO group | ECMO group | P-value |
---|---|---|---|---|
N = 168 (n, %) (x ± s) | N = 149 (n, %) (x ± s) | N = 19 (n, %) (x ± s) | ||
Laboratory index | ||||
PO2 (kPa) | 10.01 ± 2.62 | 10.25 ± 2.46 | 8.12 ± 3.11 | 0.00 |
PCO2 (kPa) | 4.92 ± 1.02 | 4.85 ± 0.75 | 5.42 ± 2.18 | 0.47 |
P/F | 225.21 ± 97.89 | 246.12 ± 82.8 | 61.26 ± 23.33 | 0.00 |
WBC (× 10^9/L) | 8.09 ± 5.14 | 8.53 ± 5.2 | 4.66 ± 2.88 | 0.00 |
Monocyte (× 10^9/L) | 0.48 ± 0.51 | 0.51 ± 0.53 | 0.22 ± 0.19 | 0.00 |
Lymphocyte (× 10^9/L) | 2.58 ± 1.85 | 2.73 ± 1.88 | 1.41 ± 0.96 | 0.00 |
Hemoglobin (g/L) | 103.89 ± 16.52 | 105.26 ± 15.93 | 93.21 ± 17.58 | 0.00 |
Lactate dehydrogenase (U/L) | 1084.54 ± 879.99 | 965.91 ± 823.25 | 2014.78 ± 762.96 | 0.00 |
Serum albumin (g/L) | 32.55 ± 5.96 | 33.08 ± 5.83 | 28.42 ± 5.44 | 0.00 |
C-reactive protein (mg/L) | 32.80 ± 39.31 | 33.90 ± 41.12 | 24.17 ± 18.62 | 0.98 |
PCT (ng/ml) | 5.68 ± 15.85 | 5.38 ± 16.12 | 8.06 ± 13.66 | 0.01 |
Radiological finding (s) | ||||
X-ray/CT | Â | Â | Â | Â |
 Consolidation | 97 (57.73%) | 82 (53.03%) | 15 (78.95%) | 0.04 |
 Pleural effusion | 85 (50.60%) | 73 (48.99%) | 12 (63.16%) | 0.24 |
 Pneumothorax | 6 (3.57%) | 4 (5.37%) | 2 (10.53%) | 0.08 |
Co-infections (n) | ||||
Adenovirus-Virus | 30 (17.86%) | 24 (14.29%) | 6 (31.58%) | 0.10 |
 Respiratory syncytial virus | 11 (6.55%) | 8 (5.37%) | 3 (15.79%) | 0.08 |
 Parainfluenza | 11 (6.55%) | 8 (5.37%) | 3 (15.79%) | 0.08 |
 FA/FB | 4 (23.81%) | 4 (2.68%) | 0 (0.00%) | 0.47 |
 Rhinovirus | 4 (23.81%) | 4 (2.68%) | 0 (0.00%) | 0.47 |
Adenovirus-Bacteria | 36 (21.43%) | 29 (19.46%) | 7 (36.84%) | 0.08 |
 Haemophilus influenzae | 13 (77.38%) | 12 (8.05%) | 1 (5.26%) | 0.67 |
 Klebsiella pneumoniae | 7 (41.67%) | 6 (4.03%) | 1 (5.26%) | 0.80 |
 Staphylococcus aureus | 6 (35.71%) | 4 (2.68%) | 2 (10.53%) | 0.08 |
 Acinetobacter baumannii | 3 (17.86%) | 2 (1.34%) | 1 (5.26%) | 0.22 |
 Pseudomonas aeruginosa | 5 (29.76%) | 4 (2.68%) | 1 (5.26%) | 0.53 |
 Moraxella catarrhalis | 2 (1.19%) | 1 (0.76%) | 1 (5.26%) | 0.08 |
Adenovirus-Mycoplasma pneumoniae | 85 (50.60%) | 79 (53.02%) | 6 (31.58%) | 0.07 |