Article Text
Letter
Cost effective approach for emergency department investigation of deep vein thrombosis
Statistics from Altmetric.com
I read with interest the paper by Kilroy et al.1 Wells’ criteria of pretest probability (PTP) has recently been validated in a large randomised control trial2 for excluding pulmonary embolism. Kilroy et al1 admit that using PTP the risk stratification was successful, it was not quite as discriminatory as Wells’ original data.
Wells’ study2 has important implications for practice because …