Table 1.

Expanded Disability Status Scale or Clinical Scoring

Score	Sign
0	No disease
0.5	Distal limp tail
1	Limp tail
2	Mild paraparesis, ataxia
3	Moderate paraparesis; the mouse trips from time to time
3.5	One hind limb is paralyzed, the other moves
4	Complete hind limb paralysis
4.5	Complete hind limb paralysis and incontinence
5	Moribund; difficulty breathing; unable to eat or drink