Table III.
Comparison of demographics, serum d-dimer, rates of deep vein thrombosis (DVT), pulmonary embolism (PE), and scan times with conventional versus COVID-19-specific ultrasound (US) protocol
| Variable | DVT US conventional protocol (n = 53) | COVID-19-specific protocol (n = 44) | P value |
|---|---|---|---|
| Age, years | 55 ± 17 | 58 ± 16 | .31 |
| Male sex | 23 (43.3) | 25 (56.8) | .22 |
| d-Dimer, ng/mL | 1704 (1119-6457) | 2636 (1306-5186) | .51 |
| DVT | 14 (24.5) | 5 (15.9) | .08 |
| PE | 6 (11.3) | 4 (9.1) | 1.00 |
| Scan time, minutes | 13 (9-15) | 6 (5-8) | <.0001 |
Values are mean ± standard deviation, median (interquartile range), or number (%).
Boldface entries indicate statistical significance.