Table 1.

Functional Scoring

Tarlov Score
0	No movement
1	Barely perceptible movement, non-weight bearing
2	Frequent movement, non-weight bearing
3	Supports weight, partial weight bearing
4	Walks with mild deficit
5	Normal but slow walking
6	Full and fast walking
Ischemia Score
0	Auto-amputation > half lower limb
1	Gangrenous tissue > half foot
2	Gangrenous tissue < half foot, with lower limb muscle necrosis
3	Gangrenous tissue < half foot, without lower limb muscle necrosis
4	Pale foot or gait abnormalities
5	Normal
Modified Ischemia Score
0	Auto-amputation of leg
1	Leg necrosis
2	Foot necrosis
3	Discoloration of > two toes
4	Discoloration of one toe
5	Discoloration of > two nails
6	Discoloration of one nail
7	No necrosis