Table 3. The results of transthoracic echocardiography of PE (+) and PE (–) patients.

Transthoracic echocardiography findings	PE(+) n=53		PE(–) n=31			P
	n	%	n		(%)
Normal	15	28.3	14		45.2	NS*
Tricuspid valve insufficiency	13	24.5	11		35.5	NS
Pulmonary hypertension	35	66.0	13		41.9	0.031
Left cardiac insufficiency	11	20.8	3		9.7	NS
Right ventricle dilatation	34	64.2	15		48.4	NS

*NS= Not significant.