Baseline age, Hoehn and Yahr (HY) score, comorbidity and sociodemographic profiles, according to whether patients remained drug naïve at the second follow-up (n = 61) or were started on monotherapy between the first and second follow-up (n = 53)
| Drug naïve | Monotherapy | |
|---|---|---|
| HY score, Hoehn and Yahr score. | ||
| Depression was significantly higher in the monotherapy group compared with the drug naïve group (p<0.001, χ2) but there were no other significant differences. | ||
| Mean age (y) | 66 | 65 |
| Mean HY score | 1.7 | 1.7 |
| % Male | 52 | 40 |
| % Caucasian | 97 | 93 |
| % Comorbidity | ||
| Hypertension | 16 | 16 |
| Diabetes | 8 | 10 |
| Heart disease | 12 | 6 |
| Stroke | 4 | 0 |
| Depression | 0 | 10 |