Bivariate analysis of clinical data and infection with Toxoplasma gondii in patients with Parkinson's disease
| Characteristic | Subjects tested | Prevalence of T. gondii infection | p Value | |
|---|---|---|---|---|
| N | N | % | ||
| Age at Parkinson onset | ||||
| ≤40 years | 4 | 2 | 50 | 0.03 |
| >40 years | 61 | 4 | 6.6 | |
| Duration of disease | ||||
| ≤10 years | 57 | 5 | 8.8 | 0.56 |
| >10 years | 8 | 1 | 12.5 | |
| Tremorigenic type | ||||
| Yes | 49 | 5 | 10.2 | 1.00 |
| No | 16 | 1 | 6.3 | |
| Rigid type | ||||
| Yes | 25 | 3 | 12 | 0.66 |
| No | 40 | 3 | 7.5 | |
| Hoehn and Yahr stages | ||||
| 0 | 5 | 0 | 0 | 0.59 |
| 1 | 17 | 3 | 17.6 | |
| 2 | 14 | 1 | 7.1 | |
| 3 | 20 | 1 | 5 | |
| 4 | 5 | 1 | 20 | |
| 5 | 4 | 0 | 0 | |
| Unified Parkinson disease rating scores | ||||
| 0–87 | 55 | 3 | 5.5 | 0.04 |
| 88–136 | 10 | 3 | 30 | |
| Constipation | ||||
| Yes | 29 | 4 | 13.8 | 0.39 |
| No | 36 | 2 | 5.6 | |
| Syncope | ||||
| Yes | 6 | 1 | 16.7 | 0.45 |
| No | 59 | 5 | 8.5 | |
| Paraesthesias | ||||
| Yes | 12 | 3 | 25 | 0.07 |
| No | 53 | 3 | 5.7 | |
| Weight loss | ||||
| Yes | 27 | 4 | 14.8 | 0.22 |
| No | 38 | 2 | 5.3 | |
| Dementia | ||||
| Yes | 23 | 3 | 13 | 0.65 |
| No | 42 | 3 | 7.1 | |
| Depression | ||||
| Yes | 35 | 6 | 17.1 | 0.02 |
| No | 30 | 0 | 0 | |
| Anxiety | ||||
| Yes | 30 | 4 | 13.3 | 0.40 |
| No | 35 | 2 | 5.7 | |
| Vision impairment | ||||
| Yes | 22 | 3 | 13.6 | 0.39 |
| No | 43 | 3 | 7 | |
| Dyskinesia | ||||
| Yes | 21 | 3 | 14.3 | 0.37 |
| No | 44 | 3 | 6.8 | |
| Use of pramipexole | ||||
| Yes | 43 | 1 | 2.3 | 0.01 |
| No | 22 | 5 | 22.7 | |