| Tarlov scale–Function |
| 0 No movement |
| 1 Slight perceivable movement, without counterweight movement. |
| 2 Frequent and vigorous movement without counterweight movement. |
| 3 Supports weight, 1 or 2 steps |
| 4 Takes steps with medium deficiency |
| 5 Normal but slow gait |
| 6 Fast gait without deficiency |
|
| Score–Degree of Tissue Ischemia |
|
0 Auto-amputation>half of lower limb |
|
1 Gangrenous tissue>half of distal foot |
| 2 Gangrenous tissue<half of the distal limb, with muscular necrosis of the limb |
| 3 Gangrenous tissue<half the distal limb, without muscular necrosis |
| 4 Paleness of the distal limb or alterations suggesting ischemia |
| 5 Normal |
|
| Modified Ischemia Score |
|
0 Auto-amputation of the lower limb |
|
1 Necrosis of the lower limb |
|
2 Necrosis of the distal limb |
|
3 Discoloration of two or more claws |
|
4 Discoloration of one claw |
|
5 Discoloration of two or more paws |
|
6 Discoloration of one paw |
| 7 No necrosis |
