Table 2: The main clinical scoring models for predicting the pre-test probability of pulmonary embolism. Well’s score, revised Geneva and simplified revised Geneva are scoring systems for assessment of suspected PE [2426].

Well’s ScoreRevised and simplified revised Geneva scores
Clinical characteristicsScoreClinical characteristicsRevised scoreSimplified score

Haemoptysis+1Age >65 years+1+1
Cancer+1Active malignant condition+2+1
Previous pulmonary embolism or deep venous thrombosis+1.5Surgery or fracture within 1 month+2+1
Haemoptysis+2+1
Heart rate >100/min+1.5Previous deep vein thrombosis or pulmonary embolism+3+1
Recent surgery or immobilisation+1.5
Clinical signs of deep venous thrombosis+3Unilateral lower-limb pain+3+1
Heart rate 75–94/min+3+1
Alternative diagnosis less likely than that of pulmonary embolism+3Pain on lower-limp deep venous palpation and unilateral oedema+4+1
Heart rate >94/min+5+1

Clinical probabilityClinical probability

Low<2Low0–30-1
Intermediate2–6Intermediate4–102–4
High>6High>10≥5