Charlson Comorbidity Index 1-Year Mortality

Calculate Charlson Comorbidity Index from 19 weighted conditions to estimate 1-year all-cause mortality risk and guide oncologic treatment intensity, surgical fitness, and clinical trial eligibility.

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Clinical Guidance

BMI is a screening measure of body size, not a direct measure of body fat. The standard WHO categories are underweight (<18.5), normal (18.5–24.9), overweight (25–29.9), and obese (≥30).

BMI can overestimate body fat in athletes with high muscle mass and underestimate it in older adults with low muscle mass. Interpret it alongside waist circumference and clinical context rather than as a standalone diagnosis.

⚕ Clinical Disclaimer: These calculators are for educational and reference purposes only. Always verify results with qualified clinical judgment and current clinical guidelines. Do not use as a sole basis for medical decisions.
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How It Works

Calculate Charlson Comorbidity Index from 19 weighted conditions to estimate 1-year all-cause mortality risk and guide oncologic treatment intensity, surgical fitness, and clinical trial eligibility

Each component has a specific meaning:

  • 19 weighted conditions — The 19 weighted conditions recorded for the scenario being assessed.

Note: Interpret the charlson comorbidity result against the thresholds and context described above.

How to Use

Enter the 19 weighted conditions for the scenario you are assessing. Calculate Charlson Comorbidity Index from 19 weighted conditions to estimate 1-year all-cause mortality risk and guide oncologic treatment intensity, surgical fitness, and clinical trial eligibility. Use the charlson comorbidity result to inform your calculation.

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Frequently Asked Questions