COVID | NCOVID | HPE | |
No of patients | 84 | 78 | 81 |
No of loops | 185 | 236 | 191 |
No of still images | 30 419 | 44 193 | 46 769 |
Average loops/patient | 2.23 | 2.91 | 2.42 |
Female sex (%) | 50% | 40% | 55% |
Age (years) | 60.6±11.3 | 56.0±16.0 | 67.2±15.3 |
Machines models (%) | SS Edge (77.4) SS X-porte (11.9) Ph Lumify (5.9) SS Edge-2 (1.2) SS S-Cath (1.2) | SS X-Porte (56.4) SS Edge (41.0) MR M9 (2.6) | SS Edge (76.9) SS X-Porte (19.2) MR M9 (3.9) |
Transducers (%) | Phased (95.3) Curvilinear (3.6) Linear (1.2) | Phased array (98.7) Curvilinear (1.3) | Phased array (92.3) Curvilinear (7.7) |
Imaging preset (%) | Abdominal (98.8) Venous (1.2) | Abdominal (97.4) Lung (2.6) | Abdominal (87.2) Cardiac (7.7) Lung (5.1) |
Focal point location (%) | Automatic (100) | Automatic (97.4) Pleural line (2.6) | Automatic (96.1) Pleural line (3.9) |
Imaging frequencies (%) | 2–5 MHz (98.8) 7–10 MHz (1.2) | 2–5 MHz (100.0) | 2–5 MHz (100.0) |
Imaging depth average (cm) | 13.4 | 12.5 | 13.1 |
Different sonographers | 12 | 43 | 45 |
Date range | March 2020–June 2020 | August 2017–March 2020 | October 2018–April 2020 |
HPE, hydrostatic pulmonary edema; MR, Mindray; Ph, Philips; SS, Sonosite.