Table 2. Mitochondrial DNA haplogroup frequencies among black, non-Hispanic ACTG 384 participants.
| Haplogroup/Subhaplogroup- N (%)a | Total non-Hispanic black with mtDNA sequence data (N = 126) [39] | Non-Hispanic black with mtDNA sequence and baseline CD4+ activation data (N = 104) |
| African Haplogroups | ||
| L1 | 31 (25) | 25 (24) |
| L1a | 7 (6) | 4 (4) |
| L1b | 10 (8) | 9 (9) |
| L1c | 14 (11) | 12 (12) |
| L1/L2 | 2 (2) | 2 (2) |
| L2 | 40 (32) | 31 (30) |
| L2a | 25 (20) | 22 (21) |
| L2b | 15 (12) | 9 (9) |
| L3 | 36 (29)b | 32 (31)b |
| L3b | 12 (10) | 11 (11) |
| L3e | 8 (6) | 7 (7) |
| Non-African Haplogroups | ||
| A | 4 (3) | 3 (3) |
| H2 | 4 (3) | 4 (4) |
| Othersc | 9 (7) | 7 (7) |
a
Totals may not = 100% due to rounding;
b
Total includes haplogroup L3, not sub-haplogrouped;
c
Includes haplogroups H, I, J1, T1, T2b, U6, U9 (N≤2 each).