Table 4.

Outcome of patients with different types of thrombus according to CT.

	Acute thrombus	Chronic thrombus
	(n = 205)	(n = 58)	p Values
Echocardiography within one week	105	20
Velocity of TR >2.9 (m/s)	40 (20%)	15 (75%)	<0.01
Echocardiography >3 months later	100	22
Velocity of TR >2.9 (m/s)	5 (5%)	16 (73%)	<0.01
Chest CT >3 months later	80	19
Residual PE	30 (38%)	17 (89%)	<0.01
Recurrent PE	8 (4%)	1 (2%)	0.69
All-cause mortality	75 (37%)	32 (55%)	0.01
Death due to PE or RV failure	5 (2%)	5 (9%)	0.03
Death due to other etiology	70 (34%)	27 (47%)	0.03

CT: computed tomography; PE: pulmonary embolism; RV: right ventricle; TR: tricuspid regurgitation.