Table 2. Prevalence of thromboembolic complications in patients with COVID-19.

Studies	N	Deep Vein Thrombosis - N (%)	Venous Thromboembolism - N (%)	Pulmonary Embolism - N (%)
Cui et al. (48)	81	NA	Critically ill: 20 (16%)	NA
Menter et al. (49)	21	NA	NA	Died: 4 (19%)
Middeldorp et al. (50)	198	NA	All: 19 (20%) Critically ill: 35 (47%) Non-critically ill: 4 (3%)	All: 13 (7%) Critically ill: 11 (15%) Non-critically ill: 4 (2%)
Nahum et al. (51)	34	Critically ill at admission: 22 (65%) Critically ill 48h after admission: 5 (15%)	NA	NA
Poissy et al. (43)	107	NA	NA	Critically ill: 22 (21%)
Ren et al. (30)	48	Critically ill: 41 (85%)	NA	NA
Voicu et al. (52)	56	Invasive mechanical ventilation: 20 (36%)	NA	NA
Wichmann et al. (42)	12	Died: 7 (58%)	NA	NA
Zhang et al. (35)	143	All: 66 (46%)	NA	NA

NA: Not available.