Modified Rankin Scale


The scale for standardized assessment of neurologic disability was modified from Dr. Rankin's originally proposed form for the UK-TIA trial and has remained in the current form.[1] Standardized calculation is commonly performed with mRS-9Q web calculator[2]

The Modified Rankin Scale

  • 0 - No symptoms.
  • 1 - No significant disability. Able to carry out all usual activities, despite some symptoms.
  • 2 - Slight disability. Able to look after own affairs without assistance, but unable to carry out all previous activities.
  • 3 - Moderate disability. Requires some help, but able to walk unassisted.
  • 4 - Moderately severe disability. Unable to attend to own bodily needs without assistance, and unable to walk unassisted.
  • 5 - Severe disability. Requires constant nursing care and attention, bedridden, incontinent.
  • 6 - Dead.

See Also


  1. Farrell B, Godwin J, Richards S, Warlow C, et al. (1991). "The United Kingdom transient ischaemic attack (UK-TIA) aspirin trial: final results.". J Neurol Neurosurg Psychiatry 54 (12): 1044–1054. PMID 1783914
  2. atel N, Rao VA, Heilman-Espinoza ER, Lai R, Quesada RA, Flint AC (July 2012). "Simple and reliable determination of the modified Rankin Scale in neurosurgical and neurological patients: The mRS-9Q". Neurosurgery 71 (5): 971–5; discussion 975. PMID 22843133