Table 2.
Lung ultrasound findings in COVID-19.
|
All studied patients* N/n (%) |
Emergency department N/n (%) |
Wards N/n (%) |
Intensive care unit N/n (%) |
|
|---|---|---|---|---|
| B-lines | ||||
| Any | 867/952 (91) | 172/178 (97) | 29/31 (94) | 118/119 (99) |
| At least 3 | 1158/1828 (63) | 349/421 (83) | 104/137 (76) | 58/79 (73) |
| Separated | 236/386 (61) | 22/40 (55) | 5/30 (17) | 174/260 (67) |
| Confluent | 713/1753 (41) | 88/132 (67) | 32/56 (57) | 223/280 (80) |
| White lung | 35/118 (30) | 10/12 (83) | 20/77 (26) | NA |
| Pleural abnormalities | ||||
| Any | 394/468 (84) | 21/27 (78) | 37/37 (100) | 184/208 (88) |
| Pleural thickening | 327/574 (57) | 136/175 (78) | 39/121 (32) | 29/39 (74) |
| Irregular pleural lines | 293/623 (47) | 36/95 (38) | 10/10 (100) | 83/102 (81) |
| Fragmented pleural line | 79/341 (23) | 15/24 (63) | 33/37 (89) | NA |
| Consolidations | ||||
| Any | 304/707 (43) | 161/423 (38) | 65/84 (77) | 40/52 (77) |
| Subpleural | 424/1400 (30) | 33/79 (42) | 70/117 (60) | 42/109 (39) |
| Pulmonary | 221/669 (33) | 0/12 (0) | 37/103 (36) | 0/17 (0) |
| Other | ||||
| Pleural effusion | 288/2055 (14) | 56/481 (12) | 57/285 (20) | 92/349 (26) |
| Air bronchogram | 27/228 (12) | 17/44 (39) | 4/56 (7) | NA |
| Pneumothorax | 30/492 (6) | 0/12 (0) | 1/30 (3) | 7/131 (5) |
| Distribution | ||||
| Bilateral | 956/1615 (59) | 376/451 (83) | 143/156 (92) | 70/89 (79) |
| Unilateral | 291/1615 (18) | 37/451 (8) | 10/156 (6) | 19/89 (21) |
*
Including pregnancy wards, nursing homes, rehabilitation units and patients followed at home.