Variable | Overall (n = 58) | NIV-failed (n = 31) | NIV-successful (n = 27) | p-value |
---|---|---|---|---|
≥ 4 involved lobes (%) | 54 (93.1%) | 28 (90.3%) | 26 (96.3%) | 0.3705 |
Ground-glass opacity (%) | 51 (87.9%) | 30 (96.8%) | 21 (77.8%) | 0.0281 |
Consolidation (%) | 43 (74.1%) | 21 (67.7%) | 22 (81.5%) | 0.2373 |
Lymphoadenopathy (%) | 27 (46.6%) | 16 (51.6%) | 11 (40.7%) | 0.4117 |
Interstitial septum thickening (%) | 12 (20.7%) | 8 (25.8%) | 4 (14.8%) | 0.3068 |
Crazy paving (%) | 8 (13.8%) | 3 (9.7%) | 5 (18.5%) | 0.3343 |
Pneumomediastinum (%) | 9 (15.5%) | 7 (22.6%) | 2 (7.4%) | 0.1145 |
Bronchogram (%) | 6 (10.3%) | 4 (12.9%) | 2 (7.4%) | 0.4968 |
Pleural effusion (%) | 8 (13.8%) | 3 (9.7%) | 5 (18.5%) | 0.3343 |
Emphysema (%) | 8 (13.8%) | 6 (19.4%) | 2 (7.4%) | 0.1920 |
Pneumothorax (%) | 5 (8.6%) | 3 (9.7%) | 2 (7.4%) | 0.7607 |
Cavitation (%) | 5 (8.6%) | 3 (9.7%) | 2 (7.4%) | 0.7607 |
Adjacent pleural thickening (%) | 7 (12.1%) | 7 (22.6%) | 0 (0.0%) | 0.0090 |
Subcutaneous emphysema (%) | 6 (10.3%) | 6 (19.4%) | 0 (0.0%) | 0.0167 |
Pericardial effusion (%) | 3 (5.2%) | 1 (3.2%) | 2 (7.4%) | 0.4771 |
Iodinate contrast (%) | 28 (48.3%) | 17 (54.8%) | 11 (40.7%) | 0.2880 |
Pulmonary thromboembolism (%) | 2 (7.1%) | 2 (11.8%) | 0 (0.0%) | 0.2378 |