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Modified Rankin Scale (mRS)

Classifies global disability and dependence after stroke or another neurological injury. The main functional outcome of stroke trials.

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Check the population, units and version. The result shows the formula or classification; it does not make an automatic treatment decision.

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Method · Limits of application

mRS/NINDS C13230 version 3: grades 0–6, no sum; van Swieten 1988: six grades 0–5; Cincura 2009: Brazilian adaptation reference, not rechecked in this review

An ordinal classification of disability in patients with stroke, dependent on functional assessment and follow-up time. Prefer structured instructions from the adopted edition. The local 0–6 variant must be distinguished from the six categories described in the historical 1988 abstract. In this documentary review, values 0 to 6 were read in the official NINDS C13230 data element, version 3. The van Swieten (1988) abstract describes six grades from 0 to 5. Matching the selected code does not validate functional assessment, the interview or the Brazilian adaptation.

Conditions of use

Check the population, units, inclusion and exclusion criteria, and version in the original source. A result alone does not establish a diagnosis, discharge decision or prescription.

Documented parameters

Patient’s current status

3/3 reference cases checked. Numerical tests are not clinical validation.

Sources and documentation

Documented formula

Transcribed from the source or a recorded revision; this is not a clinical recommendation.

Select the category best describing the patient. There is no sum: the result is the grade itself (0 to 6).

References

Identifier: escala-de-rankin-modificada

Original clinical content: Brazilian Portuguese.

Method version

mRS/NINDS C13230 version 3: grades 0–6, no sum; van Swieten 1988: six grades 0–5; Cincura 2009: Brazilian adaptation reference, not rechecked in this review

escala-de-rankin-modificada@native-2026-10-03+03f6473aa75b

NINDS C13230 version 3. Modified Rankin Scale score: official current permissible values 0–6.

The bibliographic edition identifies the source. By itself, it proves neither full conformity of the formula nor clinical approval.

Synthetic cases checked (3)

Synthetic cases for checking the implementation, with no patient data.

Case 1

reference-001

Inputs

Patient’s current status: 2 – Slight disability: cannot perform all previous activities but looks after self without help

{
  "mrs": "2"
}

Expected result

{
  "score": 2,
  "level": "low",
  "verdict": "independente"
}

Actual result

{
  "score": 2
}

Case 2

reference-002

Inputs

Patient’s current status: 3 – Moderate disability: needs some help but walks without another person’s assistance

{
  "mrs": "3"
}

Expected result

{
  "score": 3,
  "level": "mid"
}

Actual result

{
  "score": 3
}

Case 3

reference-003

Inputs

Patient’s current status: 5 – Severe disability: bedridden, incontinent, needs constant care

{
  "mrs": "5"
}

Expected result

{
  "score": 5,
  "level": "high",
  "verdict": "grave"
}

Actual result

{
  "score": 5
}

Code and reproducibility

This tool’s code on GitHub

Download code and tests

Sources, version and reproduction instructions

The code tests are technical checks. Clinical approval and professional translation review are recorded separately.

Relationship with cancer research

General context — relationship to be defined

A resource for general clinical contexts. This edition does not assign a specific oncological relationship; selecting it for a study requires a justified question, population and purpose.