Table 2.
Counts and frequencies of major mitochondrial haplogroups
| Major mitochondrial haplogroup |
Count | Frequency (%) | # Cases/controls/ MCI/unknown |
|---|---|---|---|
| A | 5 | 0.62 | 3/1/1/0 |
| B | 7 | 0.87 | 3/1/3/0 |
| C | 3 | 0.37 | 0/0/3/0 |
| F | 1 | 0.12 | 1/0/0/0 |
| H | 338 | 41.78 | 73/128/133/4 |
| I | 27 | 3.34 | 4/12/11/0 |
| J | 69 | 8.53 | 24/18/26/1 |
| K | 68 | 8.41 | 19/24/25/0 |
| L | 33 | 4.08 | 5/16/12/0 |
| M | 11 | 1.36 | 2/4/5/0 |
| N | 7 | 0.87 | 2/2/3/0 |
| R | 5 | 0.62 | 1/3/1/0 |
| T | 78 | 9.64 | 16/25/37/0 |
| U | 105 | 12.98 | 27/31/46/1 |
| V | 28 | 3.46 | 4/10/14/0 |
| W | 15 | 1.85 | 3/2/10/0 |
| X | 9 | 1.11 | 4/2/3/0 |
MCI, mild cognitive impairment.
Numbers refer to individuals who have the listed major mitochondrial haplogroup or a subgroup (e.g. individuals with H5 are counted as part of the H group in this table).