Table 2.
Incidence of VTE and Characteristics of Studies in COVID-19 Patients.
| VTE | Type of study and diagnostic method | Anticoagulant treatment | ||||
|---|---|---|---|---|---|---|
| DVT (n) | PE (n) | DVT + PE (%) | Prophylactic | Therapeutic | ||
| Critically ill (ICU) | ||||||
| Cui et al.28
n = 81 |
20 | – | 25% | Retrospective US screening * |
NA | |
| Ren et al.29
N = 48 |
5 proximal DVT 36 distal DVT |
– | 85.4% | Retrospective US 100% |
99% | – |
| Klock et al.30,37
n = 184 |
1 DVT of legs 2 thrombosis of catheter |
25 69 |
d7: 27% d14: 49% |
Observational | 84% | 9.2% |
| Helms et al.32
n = 150 |
3 DVT |
25 | 18% | Prospective | 70% | 30% |
| Poissy et al.33
n = 107 |
– | 22 | 20.6% | Observational | 99% | 1% |
| Thomas et al.38
n = 63 |
1 jugular thrombosis | 10 | 27% | Observational | 100% | – |
| Llitjios et al.39
n = 26 |
18 DVT | 6 | 69% | Retrospective US (J2 - J7): 100% |
31% | 69% |
| Voicu et al.40 n = 56 | 26 DVT 13 proximal / 13 distal | 46% | Prospective US 100% D10 + D18 | 87% | 13% | |
| Acutely ill (general inpatients ward) | ||||||
| Mideltrop et al.31
n = 198 |
13 proximal DVT 8 distal DVT 1 upper limb thrombosis |
11 | 17% d7 / 34% d14 ICU: 39% d7/48% d14 |
Observational ICU: 34% US screening: 27% |
84% | 9.4% |
| Lodigioni et al.41
n = 388 |
5 DVT 1 catheter thrombosis |
10 | 21% | Retrospective ICU: 16% |
75% | 23% |
| Demelo-Rodriguez et al.42
n = 156 |
23 DVT / 1 proximal 7 bilateral thrombosis |
– | 14.7% | Prospective / US DD ≥1000 ng/mL |
98% | – |
| Zhang et al.43 n = 159 | 66 DVT 23 proximal / 43 distal | – | 46.1% | Observational US for 143 patients | 37% | – |
| Pulmonary CT scan studies | ||||||
| Leonard Lorat et al.34
n = 106 |
NA | 32 | 30% ICU: 75% |
Retrospective USI: 45% |
40% | 6.5% |
| Grillet et al.35
n = 100 |
NA | 23 | 23% ICU: 74% |
Retrospective USI: 39% |
NA | |
| Poyiadi et al.36
n = 328 |
NA | 72 | 22% | Retrospective | 23% | – |
NA: not available; DVT: deep vein thrombosis; ICU: intensive care unit; d: days; US: ultrasounds of the legs.