Table 2.
Chest radiograph and lung ultrasound findings of study patients based on positivity for SARS-CoV-2
| Imaging findings | All (n = 69) | SARS-CoV-2 RT-PCR |
P value | |
|---|---|---|---|---|
| Positive (n = 36) | Negative (n = 33) | |||
| Chest radiograph | ||||
| Normal | 11 (16%) | 4 (11%) | 7 (21%) | 0.330 |
| Bilateral infiltrates | 37 (54%) | 27 (75%) | 10 (30%) | <0.001 |
| Vascular congestion | 7 (10%) | 1 (3%) | 6 (18%) | 0.049 |
| Right lung infiltrates | 9 (13%) | 3 (8%) | 6 (18%) | 0.294 |
| Left lung infiltrates | 5 (7%) | 1 (3%) | 4 (12%) | 0.186 |
| Lung ultrasound | ||||
| A-lines | 50 (72%) | 20 (56%) | 30 (91%) | 0.001 |
| Nonconfluent B-lines | 45 (65%) | 24 (67%) | 21 (64%) | 0.806 |
| Confluent B-lines | 38 (55%) | 33 (92%) | 5 (15%) | <0.001 |
| Pleural effusion | 8 (12%) | 0 (0%) | 8 (24%) | 0.002 |
| Pleural irregularities | 47 (68%) | 33 (92%) | 14 (42%) | <0.001 |
| Subpleural consolidation | 29 (42%) | 21 (58%) | 8 (24%) | 0.007 |
| Costophrenic consolidation | 7 (10%) | 2 (6%) | 7 (15%) | 0.247 |
| LUS-CoV | 34 (49%) | 31 (86%) | 3 (9%) | <0.001 |
LUS indicates lung ultrasound; RT-PCR, reverse-transcription polymerase chain reaction.