Article Figures & Data
Tables
- Table 1
Wells’ score and criteria for DVT and PE
Wells’ score for DVT Clinical characteristics Score Active cancer receiving cancer treatment within the past 6 months or currently under palliative care 1 Paralysis, paresis or recent cast immobilisation of the lower extremities 1 Recently bedridden for >3 days, or major surgery within the past 3 months 1 Localised tenderness along the distribution of deep venous systems 1 Entire leg swelling 1 Calf swelling at 3 cm larger than that on the asymptomatic side (measure 10 cm below tibial tuberosity) 1 Pitting oedema confined to the symptomatic leg 1 Collateral superficial veins 1 Previously diagnosed DVT 1 Alternative diagnosis at least as likely as DVT −2 Wells scoring system for DVT: −2 to 0: low probability; 1–2 points: Moderate probability; 3–8 points: high probability. Wells’ score for PE Criteria Points Clinical signs of symptoms of VTE 3 No alternative diagnosis 3 Heart rate >100 beat/min 1.5 Immobilisation >3 days or surgery in past 4 weeks 1.5 Previous history of PE or VTE 1.5 Haemoptysis 1 Malignancy with active treatment in past 6 months or palliative care 1 Wells scoring system for PE: <2 points: low probability; 2–6 points: moderate probability; >6 points: high probability DVT, deep vein thrombosis; PE, pulmonary embolism; VTE, venous thromboembolism.