Khorana et al risk score for chemotherapy-related VTE risk prediction in patients with cancer31
| Patient characteristic | Score |
| Site of cancer | |
| Very high risk (stomach, pancreas) | 2 |
| High risk (lung, lymphoma, gynaecological, genitourinary excluding prostate) | 1 |
| Prechemotherapy platelet count ≥350×109/L | 1 |
| Prechemotherapy leucocyte count ≥11×109/L | 1 |
| Haemoglobin <10 g/dL or use of erythropoiesis-stimulating agents | 1 |
| BMI ≥35 kg/m2 | 1 |
BMI, body mass index; VTE, venous thromboembolism.