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Distribution of mtDNA haplogroups between PD patients and controls, n (%)
| Haplogroup* | PD (n = 279) | Control (n = 510) |
|---|---|---|
| A | 16 (5.7) | 22 (4.3) |
| B | 46 (16.5) | 108 (21.2) |
| C | 8 (2.9) | 19 (3.7) |
| D | 43 (15.4) | 71 (13.9) |
| F | 47 (16.8) | 80 (15.7) |
| G | 10 (3.6) | 15 (2.9) |
| Others | 109 (39.1) | 195 (38.2) |
*Chi-square test for the overall haplogroup distribution: χ2 = 3.872, P = 0.694. mtDNA: Mitochondrial DNA; PD: Parkinson’s disease.
