Table 1 Characteristics of the Sample Populations
From: Association of PGC-1alphapolymorphisms with age of onset and risk of Parkinson's disease
| Â | Male | Female | Total Population |
|---|---|---|---|
Gender | Â | Â | Â |
PD Cohort 1 | 102 (57.0%) | 77 (43.0%) | 179 |
PD Cohort 2 | 129 (64.8%) | 70 (35.2%) | 199 |
   PD EARLY | 63 (62.4%) | 36 (35.6%) | 99 |
   PD LATE | 66 (66.0%) | 34 (34.0%) | 100 |
PD-ALL | 200 (60.8%) | 129 (39.2%) | 329 |
PD-EARLY-ALL | 99 (57.9%) | 72 (42.1%) | 171 |
PD-LATE-ALL | 101 (63.9%) | 57 (36.1%) | 158 |
Control | 113 (65.3%) | 60 (34.7%) | 173 |
   Control EARLY | 49 (60.5%) | 32 (39.5%) | 81 |
   Control LATE | 64 (69.6%) | 28 (30.4%) | 92 |
Mean Age of Onset | Â | Â | Â |
PD Cohort 1 | 58.8 (SD 10.6) | 57.2 (SD 11.4) | 58.0 (SD 11.0) |
PD Cohort 2 | 61.5 (SD 14.7) | 60.8 (SD 16.2) | 61.2 (SD 15.2) |
   PD EARLY | 47.7 (SD 5.4) | 45.7 (SD 6.3) | 47.0 (SD 5.8) |
   PD LATE | 74.7 (SD 6.1) | 76.1 (SD 5.4) | 75.2 (SD 5.9) |
PD-ALL | 60.4 (SD 13.1) | 58.6 (SD 15.0) | 59.7 (SD 14.3) |
PD-EARLY-ALL | 47.6 (SD 5.3) | 46.6 (SD 6.3) | 47.1 (SD 5.8) |
PD-LATE-ALL | 72.9 (SD 6.2) | 73.8 (SD 6.5) | 73.4 (SD 6.4) |
Control | NA | NA | NA |
Mean Age at Sampling | Â | Â | Â |
PD Cohort 1 | 63.8 (SD 9.8) | 62.5 (SD 10.6) | 63.2 (SD 10.2) |
PD Cohort 2 | 66.2 (SD 14.6) | 65.4 (SD 15.8) | 65.8 (SD 15.0) |
   PD EARLY | 52.1 (SD 6.1) | 50.8 (SD 6.2) | 51.7 (SD 6.1) |
   PD LATE | 79.4 (SD 4.4) | 80.5 (SD 4.3) | 79.8 (SD 4.4) |
PD-ALL | 65.3 (SD 13.5) | 63.6 (SD 14.3) | 64.7 (SD 13.8) |
PD-EARLY-ALL | 52.9 (SD 6.2) | 52.3 (SD 7.0) | 52.6 (SD 6.6) |
PD-LATE-ALL | 77.4 (SD 5.4) | 77.7 (SD 6.3) | 77.5 (SD 5.9) |
Control | 61.1 (SD 5.9) | 61.5 (SD 5.7) | 61.3 (SD 5.8) |
   Control EARLY | 47.9 (SD 5.7) | 46.8 (SD 5.6) | 47.3 (SD 5.7) |
   Control LATE | 74.3 (SD 6.0) | 76.3 (SD 5.8) | 75.4 (SD 5.9) |
Interval Between Onset and Sampling | Â | Â | Â |
PD Cohort 1 | 5.4 (SD 4.6) | 5.5 (SD 4.1) | 5.4 (SD 4.8) |
PD Cohort 2 | 4.7 (SD 2.5) | 4.7 (SD 2.4) | 4.7 (SD 2.5) |
   PD EARLY | 4.6 (SD 2.4) | 4.9 (SD 2.7) | 4.7 (SD 2.5) |
   PD LATE | 4.7 (SD 2.6) | 4.5 (SD 2.2) | 4.6 (SD 2.5) |
PD-ALL | 4.9 (SD 3.5) | 5.2 (SD 3.7) | 5.0 (SD 3.6) |
PD-EARLY-ALL | 5.3 (SD 3.9) | 5.6 (SD 4.3) | 5.5 (SD 4.1) |
PD-LATE-ALL | 4.5 (SD 3.0) | 3.8 (SD 2.6) | 4.2 (SD 2.8) |
Control | NA | NA | NA |