Table 1.
Characters of demographic distribution of study population
| Groups | Number (%) |
Gender Male: Female |
P value |
P value |
Ethnic Caucasian: others |
P value |
P value |
Age (years) (Mean±SD) |
P value |
P value |
|---|---|---|---|---|---|---|---|---|---|---|
| Healthy Control | 166 (23.5) | 53:113 | Ref | 142 :24 | Ref | 56.3 ± 12.8 | Ref | |||
| PD | 278 (39.5) | 171:107 | <0.01 | Ref | 240:38 | NS | Reference | 60.1 ± 10.6 | <0.01 | Ref |
| sPD | 178 (25.4) | 110:68 | NA | NA | 155:23 | NA | NA | 58.6 ± 11.2 | NA | NA |
| fPD | 100 (14.2) | 61:39 | NA | NA | 85:15 | NA | NA | 60.8 ± 9.6 | NA | NA |
| NDC | 256 (36.5) | 111:145 | NA | <0.01 | 234:22 | <0.05 | NS | 59.8 ± 11.6 | <0.05 | NS |
| Non-MDC | 53 (7.6) | 28:25 | <0.01 | NS | 47:6 | NS | NS | 60.3 ± 13.6 | NS | NS |
| MDC | 203 (29) | 83:120 | NS | <0.001 | 187:16 | <0.05 | <0.05 | 59.2 ± 11.7 | <0.05 | NS |
X2 and Student-t test. Ref=reference; NA= not analyzed; NS = not significant; PD = Parkinson’s disease sPD = sporadic PD; fPD = familial PD; Non-MDC = non movement disease control; MDC = movement disease control.