Table 1.

Risk factors of 53 normotensive patients with acute pulmonary embolism.

	Group with RVD (n = 25)	Without RVD (n = 28)
Age, years (x ±)	58±30	60±25
Male (cases (%))	15 (60)	16 (58)
Presence of DVT (cases (%))	10 (40)	11 (38)
Past history of lower extremity phlebitis or DVT/PE (cases (%))	5 (20)	5 (15)
Cardiovascular and cerebrovascular diseases (cases (%))	8 (27)	5 (15)
Smoking (cases (%))	10 (35)	9 (30)
Malignant tumor (cases (%))	2 (7)	3 (10)
Diabetes (cases (%))	5 (19)	5 (20)
Braking>48 h (cases (%))	3 (9)	4 (10)
Recent surgery (cases (%))	4 (2)	5 (15)
≤2 risk factors (cases (%))	19 (70)	20 (77)
≥3 risk factors (cases (%))	5 (25)	8 (30)