Table 4.
Haplogroup* | EOPD (n = 63) n (%) | CT1 (n = 118) n (%) | P† | Logistic regression analysis | ||
---|---|---|---|---|---|---|
OR | 95% CI | P | ||||
A | 4 (6.3) | 5 (4.2) | 0.792 | 1.665 | 0.424–6.534 | 0.465 |
B‡ | 5 (7.9) | 31 (26.3) | 0.003 | 0.225 | 0.082–0.619 | 0.004 |
C | 1 (1.6) | 3 (2.5) | 1.000 | 0.674 | 0.067–6.755 | 0.737 |
D | 14 (22.2) | 14 (11.9) | 0.066 | 2.083 | 0.918–4.726 | 0.079 |
F | 14 (22.2) | 18 (15.3) | 0.242 | 1.701 | 0.765–3.779 | 0.192 |
G | 2 (3.2) | 1 (0.8) | 0.577 | 3.271 | 0.286–37.452 | 0.341 |
Others | 23 (36.5) | 46 (39.0) | 0.744 | 0.905 | 0.477–1.718 | 0.760 |
*Fisher’s exact test for the overall haplogroup distribution: P = 0.023; †P values for 2 × 2 tables; ‡P < 0.05. mtDNA: Mitochondrial DNA; AAO: Age at onset; EOPD: Early-onset Parkinson’s disease; CT1: Control team 1; OR: Odds ratio; CI: Confidence interval.