Table I.

Characteristics of the 32 patients with suspected PE.

Characteristics	n
Deep vein thrombosis	6/32
Recent surgery	7/32
Postpartum period	2/32
Trauma	2/32
Bedridden	1/32
Chest pain	5/32
Dyspnea	1/32
Shortness of breath	13/32
Hemoptysis	2/32
Fever	2/32
Cough and expectoration	4/32
Incidental finding in abdominal CT scan	2/32

PE, pulmonary embolism; CT, computed tomography.