Table 1.
Basic demographics of patients diagnosed with Parkinson's disease (n=336) during 2006-2007.
| Variable | No. (%) |
|---|---|
| Age at diagnosis (yr)* | 66.15±10.58 |
|
| |
| <60 | 90 (26.8) |
|
| |
| ≥60 | 246 (73.2) |
|
| |
| Gender | |
|
| |
| Men | 199 (59.2) |
|
| |
| Women | 137 (40.8) |
|
| |
| Ethnicity | |
|
| |
| Chinese | 288 (85.7) |
|
| |
| Malay/Indian/other | 48 (14.3) |
|
| |
| Years of education*,† | 7.42±5.22 |
|
| |
| Year of diagnosis | |
|
| |
| 2006 | 181 (53.9) |
|
| |
| 2007 | 155 (46.1) |
|
| |
| Duration of follow-up (yr)*,‡ | 5.14±2.46 |
|
| |
| H&Y staging† | |
|
| |
| Stage 1 | 24 (8.3) |
|
| |
| Stage 2 | 126 (43.6) |
|
| |
| Stage 3 | 42 (14.5) |
|
| |
| Stage 4 | 16 (5.5) |
|
| |
| Stage 5 | 14 (4.8) |
|
| |
| UPDRS Part I non-motor aspects: thought disorder | |
|
| |
| Score ≥2 | 59 (17.6) |
|
| |
| Score <2 | 224 (66.7) |
|
| |
| Missing | 53 (15.8) |
|
| |
| MMSE at first assessment | |
|
| |
| Score <25 | 106 (31.6) |
|
| |
| Score ≥25 | 136 (40.5) |
|
| |
| Missing | 94 (28.0) |
*Data presented as mean±standard deviation. †Missing data not included. ‡From diagnosis to date of last consultation or death. H&Y: Modified Hoehn and Yahr Staging Scale, MMSE: Mini-Mental State Examination, UPDRS: Unified Parkinson’s Disease Rating Scale