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Table 1 Khorana Risk Score criteria for assessing venous thromboembolism in patients with cancer

From: Trousseau syndrome in a patient with advanced oral squamous cell carcinoma: a case report

Risk factor Points   Present patient
Site of primary cancer
 Very high risk (stomach, pancreas) 2   
 High risk (lung, lymphatic system, reproductive organs, bladder, testicular) 1   
 Low risk (all other sites) 0   0
Other characteristics
 Platelet count ≥350,000/μl 1   
 Hemoglobin level < 10 g/dl or use of red cell growth factors 1   
 White blood cell count > 11,000/μl 1   1
 Body mass index ≥35 kg/m2 1   
Risk category Score (Total points) Risk of symptomatic VTE  
High risk ≥3 7.1%  
Intermediate risk 1 or 2 2.1% 1
Low risk 0 0.8%  
  1. VTE venous thromboembolism