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Table 1 Osame motor disability score

From: Real-world clinical course of HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP) in Japan

Grade

Motor disability

0

No walking or running abnormalities

1

Normal gait but runs slowly

2

Abnormal gait (stumbling, stiffness)

3

Unable to run

4

Needs handrail to climb stairs

5

Needs a cane (unilateral support) to walk

6

Needs bilateral support to walk

7

Can walk 5–10 m with bilateral support

8

Can walk 1–5 m with bilateral support

9

Cannot walk, but able to crawl

10

Cannot crawl, but able to move using arms

11

Cannot move around, but able to turn over in bed

12

Cannot turn over in bed

13

Cannot even move toes