Clinical and demographic characteristics of patients
| Groups | DPD (n = 14) | NDPD (n = 18) | P Valuea |
|---|---|---|---|
| Sex (M/F) | 4/10 | 10/8 | NS |
| Age (yr) | 65.28 ± 8.89 | 61.05 ± 10.17 | NS |
| PD duration | 6.29 ± 5.51 | 5.67 ± 2.57 | NS |
| MMSE | 29.5 ± 0.7 | 29.2 ± 1.0 | NS |
| UPDRS | 39.04 ± 22.28 | 33.83 ± 15.09 | NS |
| H-Y | 1.96 ± 0.99 | 1.83 ± 0.75 | NS |
| HAMD | 15.64 ± 4.21 | 4.44 ± 2.14 | <.001 |
| LEDD (mg/day) | 315 ± 201 | 363 ± 197 | NS |
a Unpaired 2-tailed t tests were used for parametric comparison of data between the 2 groups for age, PD duration, MMSE, UPDRS, H-Y, HAMD, and LEDD; The Mann-Whitney U test was used for nonparametric comparison of sex between the 2 groups. Significance was set at P <. 05.