Do any folks regularly use the Hamilton Score for ruling out DVT?

Diagnosis of lower limb deep venous thrombosis in emergency department patients: performance of Hamilton and modified Wells scores.

The Hamilton score is calculated as follows [69]:

●Plaster immobilization of lower limb: 2 points
●Active malignancy (within six months or current): 2 points
●Strong clinical suspicion of DVT without other diagnostic possibilities: 2 points
●Bed rest (>3 days) or recent surgery (within four weeks): 1 point
●Male sex: 1 point
●Calf circumference >3 cm on affected side (measured 10 cm below tibial tuberosity): 1 point
●Erythema: 1 point
For this clinical probability score the unlikely versus likely cutoff is two or less points.

In a study of 542 consecutive ambulatory patients presenting to an emergency department for assessment of lower limb DVT, the combination of an unlikely probability Hamilton score and a negative Simplify D-dimer assay had a negative predictive value of 99 percent (95% CI 94.7-100) for ruling our DVT and obviating the need for ultrasound evaluation [68,124].