KURTZKE EXPANDED DISABILITY STATUS SCALE
.0 Normal neurological exam.
1.0 Patient is fully ambulatory.
1.5 No disability.
2.0 Minimal disability of 1 of 7 Functional Systems (FS).
2.5 Minimal disability in 2 FS.
3.0 Fully ambulatory. Moderate disability in 1 FS or mild disability
in 3 or 4 FS.
3.5 Fully ambulatory. Moderate disability in 1 FS and mild disability
in 1 or 2 FS or moderate disability in 2 FS or mild disability in 5 FS.
4.0 Fully ambulatory without aid, self-sufficient, active 12 hours a
day despite relatively severe disability. Able to walk without aid or rest
for about 500 meters.
4.5 Fully ambulatory without aid, active much of the day, able to work
a full day. May otherwise have some limitation of full activity or require
minimal assistance. Characterized by relatively severe disability. Able to
walk without aid or rest for about 300 meters.
5.0 Ambulatory without aid or rest for about 200 meters. Disability severe enough to impair full daily activities.
5.5 Ambulatory without aid or rest for about 100 meters. Disability severe enough to limit full daily activities.
6.0 Intermittent or unilateral constant assistance (cane, crutch or brace) required to walk about 100 meters with or without resting.
6.5 Constant bilateral assistance (canes, crutches or braces) required to walk about 20 meters without resting.
7.0 Unable to walk beyond about 5 meters even with aid. Essentially restricted to a wheelchair. Wheels self in standard wheelchair and transfers alone. Active in wheelchair about 12 hours a day.
7.5 Unable to take more than a few steps. Restricted to wheelchair. May need aid to transfer. Wheels self but cannot carry on in standard wheelchair a full day. May require a motorized wheelchair.
8.0 Unable to walk at all, essentially restricted to bed, chair or wheelchair but may be out of bed much of the day. Retains many self-care functions. Generally has effective use of the arms.
8.5 Essentially restricted to bed much of the day. Has some effective use of arm(s). Retains some self-care functions.
9.0 Helpless bed patient. Can communicate and eat.
9.5 Totally helpless bed patient. Unable to communicate effectively or eat/swallow.
10 Death due to Multiple Sclerosis.(generally uncontrolled infection, kidney failure, respiratory failure, pneumonia or uncontrolled seizures)