International Scholarly Research Notices / 2014 / Article / Tab 1 / Research Article
Evaluating the Use of a Negative D-Dimer and Modified Low Wells Score in Excluding above Knee Deep Venous Thrombosis in an Outpatient Population, Assessing Need for Diagnostic Ultrasound Table 1 Wells clinical probability scoring test [
11 ].
Clinical feature Score Active cancer 1 Paralysis, paresis, or recent plaster immobilization of the lower extremity 1 Recently bedridden for more than 3 days or major surgery within 12 weeks 1 Localized tenderness along the distribution of the deep venous system 1 Entire leg swollen 1 Calf swelling by more than 3 cm when compared with the asymptomatic leg 1 Pitting oedema (greater in the symptomatic leg) 1 Collateral superficial veins (nonvaricose) 1 Alternative diagnosis as likely or more possible than that of deep venous thrombosis −2