CMTNS — Charcot-Marie-Tooth Neuropathy Score

Score Charcot-Marie-Tooth disease severity using the CMT Neuropathy Score (CMTNS-v2) covering symptoms, signs, and nerve conduction studies across upper and lower extremity domains.

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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

Score Charcot-Marie-Tooth disease severity using the CMT Neuropathy Score (CMTNS-v2) covering symptoms, signs, and nerve conduction studies across upper and lower extremity domains

Each component has a specific meaning:

  • Signs — The signs recorded for the scenario being assessed.
  • Nerve conduction studies across upper — The nerve conduction studies across upper recorded for the scenario being assessed.
  • Lower extremity domains — The lower extremity domains recorded for the scenario being assessed.

Note: Interpret the cmtns score result against the thresholds and context described above.

How to Use

Enter the signs, nerve conduction studies across upper, lower extremity domains for the scenario you are assessing. Score Charcot-Marie-Tooth disease severity using the CMT Neuropathy Score (CMTNS-v2) covering symptoms, signs, and nerve conduction studies across upper and lower extremity domains. Use the cmtns score result to inform your calculation.

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