SCA Inventory — Spinocerebellar Ataxia Clinical Rating

Rate non-ataxia features in spinocerebellar ataxias including brainstem dysfunction, oculomotor involvement, pyramidal signs, extrapyramidal features, and cognitive impairment using the SCA Functional Index and inventory.

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

Rate non-ataxia features in spinocerebellar ataxias including brainstem dysfunction, oculomotor involvement, pyramidal signs, extrapyramidal features, and cognitive impairment using the SCA Functional Index and inventory

Each component has a specific meaning:

  • SCA Functional Index — The sca functional index recorded for the scenario being assessed.
  • Inventory — The inventory recorded for the scenario being assessed.

Note: Interpret the sca inventory result against the thresholds and context described above.

How to Use

Enter the SCA Functional Index, inventory for the scenario you are assessing. Rate non-ataxia features in spinocerebellar ataxias including brainstem dysfunction, oculomotor involvement, pyramidal signs, extrapyramidal features, and cognitive impairment using the SCA Functional Index and inventory. Use the sca inventory result to inform your calculation.

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Frequently Asked Questions