Table 2. Characteristics of the patients with cerebellar ataxia.
| Case | Age | Sex | Diagnosis | Duration of illness (yrs) | ADL (1–3) | B r /K r ratio for step-tracking | B r /K r ratio for pursuit |
|---|---|---|---|---|---|---|---|
| P1 | 62 | F | MSA-C | 1 | 1 | 0.20 | 0.75 |
| P2 | 77 | F | SCD | 4 | 1 | 0.27 | 1.17 |
| P3 | 62 | M | SCD | 9 | 1 | 0.20 | 0.69 |
| P4 | 72 | M | MSA-C | 3 | 1 | 0.09 | 0.85 |
| P5 | 69 | F | SCD | 5 | 1 | 0.22 | 0.57 |
| P6 | 65 | F | MSA-C | 2 | 1 | 0.25 | 0.37 |
| P7 | 58 | F | SCD | 7 | 1 | 0.14 | 0.37 |
| P8 | 34 | F | SCD | 9 | 1 | 0.32 | 1.11 |
| P9 | 69 | M | SCD | 3 | 1 | 0.16 | 0.20 |
| P10 | 70 | M | SCD | 10 | 1 | 0.34 | 0.78 |
| P11 | 39 | F | SCD | 9 | 1 | 0.10 | 0.23 |
| P12 | 65 | F | MSA-C | 2 | 2 | 0.27 | 0.39 |
| P13 | 29 | F | SCD | 9 | 2 | 0.27 | 0.50 |
| P14 | 76 | F | SCD | 5 | 2 | 0.28 | 0.27 |
| P15 | 58 | F | SCD | 24 | 2 | 0.16 | 0.42 |
| P16 | 57 | M | MSA-C | 4 | 2 | 0.13 | 0.56 |
| P17 | 60 | F | MSA-C | 9 | 3 | 0.31 | 0.35 |
| P18 | 71 | M | MSA-C | 4 | 3 | 0.53 | 0.24 |
| P19 | 56 | M | MSA-C | 2 | 3 | 0.27 | 0.38 |
MSA-C = multiple system atrophy (MSA) with cerebellar features, SCD = spinocerebellar degeneration, ADL = activities of daily living. ADL levels are 1: walks without assistance, 2: uses a walker, 3: wheelchair dependent.