Table 1.

Patient factors affecting the clinical importance of deep venous thrombosis in intensive care unit patients

Patient factor	Mean (SD) rating
Clinical suspicion of pulmonary embolism	4.6 (0.7)
Chronic/acute cardiopulmonary comorbidity	4.5 (0.7)
Leg symptoms	4.2 (0.8)
Occurring while receiving therapeutic anticoagulation	4.0 (1.2)
Detected by physical examination	3.8 (0.7)
Occurring while receiving thromboprophylaxis	3.6 (0.8)
At least one risk factor for venous thromboembolism	3.6 (0.6)
Associated with central venous catheterization	3.3 (0.9)
Not receiving prophylaxis	3.2 (0.7)
Not associated with central venous catheterization	3.1 (0.5)
Not receiving therapeutic anticoagulation	3.1 (0.3)
No risk factors	3.0 (0.4)
Asymptomatic	2.8 (0.5)
Not detected by physical examination	2.8 (0.5)

According to mean scores we ranked the patient factors considered by intensivists as likely to make a deep venous thrombosis clinically important. SD, standard deviation