Clinical Frailty Index Calculator

Calculate Clinical Frailty Scale (CFS) score for older adults. Predicts perioperative mortality, ICU outcomes, and long-term care needs from functional and clinical descriptors.

Weight
Height
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 Clinical Frailty Scale (CFS) score for older adults. Predicts perioperative mortality, ICU outcomes, and long-term care needs from functional and clinical descriptors

Each component has a specific meaning:

  • Functional — The functional recorded for the patient or scenario being assessed.
  • Clinical descriptors — The clinical descriptors recorded for the patient or scenario being assessed.

Note: Interpret the frailty index result against the clinical thresholds and context described above.

How to Use

Enter the functional, clinical descriptors for the patient or scenario you are assessing. Calculate Clinical Frailty Scale (CFS) score for older adults. Predicts perioperative mortality, ICU outcomes, and long-term care needs from functional and clinical descriptors. Use the frailty index result to inform your clinical assessment.

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