Table 1 Characteristics of patients with PSP
|  | PSP(N = 59) | PSP-RS(N = 43) | Non PSP-RS(N = 16) |
|---|---|---|---|
Gender (Male/Female) | 34/25 | 26/17 | 8/8 |
Age (years) | 64.7 ± 8.0 | 65.6 ± 7.6 | 62.4 ± 8.7 |
Age at onset | 62.0 ± 2.3 | 63.5 ± 7.1 | 57.9 ± 9.6 |
The interval from the onset of symptoms to brain MRI (years) | 3.8 ± 2.3 | 3.4 ± 2.2 | 4.7 ± 2.2 |
No. of death | 19 | 16 | 3 |
Median survival (years) | 12 | 12 | 15 |
No. of institutionalization | 31 | 22 | 9 |
Median time from onset to institutionalization (years) | 9 | 8 | 10 |
Early falls(%) | 69.5 | 86.0 | 25.0 |
Early FOG(%) | 30.5 | 30.2 | 31.3 |
Early bulbar paralysis (%) | 66.1 | 79.1 | 31.3 |
Early apathy(%) | 35.4 | 44.2 | 12.5 |
MMSE | 23.0 ± 5.1 | 23.4 ± 3.9 | 21.9 ± 7.8 |
Early incontinence(%) | 32.2 | 39.5 | 12.5 |
M/P area ratio(%) | 21.3 ± 7.1 | 20.0 ± 6.7 | 24.3 ± 7.6 |