Any symptoms of venous thromboembolism, n (%) |
365 (76.7) |
1624 (80.7) |
.05 |
Extremity swelling, n (%) |
217 (45.6) |
946 (47.0) |
.57 |
Extremity pain, n (%) |
114 (24.0) |
642 (31.9) |
.001 |
Dyspnea, n (%) |
106 (22.3) |
457 (22.7) |
.83 |
Tachycardia (heart rate >100 beats per minute), n (%) |
57 (12.0) |
199 (9.9) |
.17 |
Cough, n (%) |
38 (8.0) |
153 (7.6) |
.78 |
Chest pain, n (%) |
37 (7.8) |
213 (10.6) |
.06 |
Hypotension (systolic blood pressure <100 mm Hg), n (%) |
33 (6.9) |
120 (6.0) |
.41 |
Fever, n (%) |
31 (6.5) |
125 (6.2) |
.81 |
Hypoxemia (oxygen saturation <90%), n (%) |
12 (2.5) |
43 (2.1) |
.90 |
Loss of consciousness, n (%) |
12 (2.5) |
24 (1.2) |
.04 |
Any deep vein thrombosis, n (%) |
422 (88.7) |
1710 (85.0) |
.03 |
Unprovoked (idiopathic) venous thromboembolism, n (%) |
79 (16.6) |
547 (27.2) |
<.001 |
Proximal lower-extremity with calf deep vein thrombosis, n (%) |
66 (13.9) |
243 (12.1) |
.29 |
Proximal lower-extremity without calf deep vein thrombosis, n (%) |
202 (42.4) |
848 (42.2) |
.91 |
Pulmonary embolism, n (%) |
131 (27.5) |
573 (28.5) |
.69 |
Pulmonary embolism and deep vein thrombosis, n (%) |
79 (16.6) |
271 (13.5) |
.08 |
Upper-extremity deep vein thrombosis, n (%) |
75 (15.8) |
219 (10.9) |
.004 |
Isolated calf deep vein thrombosis, n (%) |
33 (6.9) |
160 (8.0) |
.45 |