Epistemis

Khorana Score Calculator

Estimate the risk of thrombosis and indicate the need for thromboprophylaxis in outpatient oncology patients before starting chemotherapy.

Required inputs

The inputs this calculator asks for inside the app.
VariableExample value
Location of the Primary Tumor
Pre-chemotherapy platelets (cells/µL)250000
Basal hemoglobin (< 10 g/dL or use of EPO)
Pre-treatment leukocytes (> 11,000/µL)
Body Mass Index (BMI in kg/m²)24

Run the calculation in the app

This page explains the score but does not run it. In Epistemis, the calculator validates units, flags values outside physiological ranges, and provides the interpretation that a number alone cannot convey.

Epistemis is educational review material. It is not a medical device, does not diagnose or prescribe treatment, and does not replace formal medical training, current clinical guidelines, or professional clinical judgment.

Specialty
Hematology
Area
Internal Medicine
Variables
5
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