Table 2.

INCAT disability scale.

Arm disability	Leg disability
0 = no upper limb problems	0 = walking not affected
1 = symptoms, in 1 or both arms, not affecting the ability to perform any of the following functions: doing all zips and buttons; washing or brushing hair, using a knife or fork together and handling small coins	1 = walking affected, but walks independently outdoors
2 = symptoms in 1 or both arms, affecting but not preventing any of the above mentioned functions	2 = usually uses unilateral support (stick, single crutch,1 arm) to walk outdoors
3 = symptoms, in 1 or both arms, preventing 1 or 2 of the above mentioned functions	3 = usually uses bilateral support (sticks, crutches, frame, 2 arms) to walk outdoors
4 = symptoms, in 1 or both arms, preventing 3 or all of the functions listed, but some purposeful movements still possible	4 = usually uses wheelchair to travel outdoors, but able to stand and walk a few steps with help
5 = instability to use either arm for any purposeful movement	5 = restricted to wheelchair, unable to stand and walk a few steps with help

INCAT, Inflammatory Neuropathy Cause and Treatment.