Table 1.
Characteristics of Genotyped and Sequenced Health ABC Participants From the 2000–2001 Clinical Follow-Up Visit
| Genotyped | Sequenced | |
|---|---|---|
| N | 1,580 | 135 |
| Age, mean (SD) | 76.7 (2.8) | 76.5 (2.9) |
| Sex, n (%) | ||
| Male | 819 (52) | 63 (47) |
| Female | 761 (48) | 72 (53) |
| Haplogroup, n* (%) | ||
| H | 589 (45) | 60 (47) |
| U | 183 (14) | 11 (9) |
| K | 145 (11) | 16 (12) |
| T | 140 (11) | 18 (14) |
| J | 103 (8) | 13 (10) |
| V | 51 (4) | 2 (2) |
| I | 35 (3) | 5 (4) |
| W | 27 (2) | 1 (1) |
| X | 27 (2) | 3 (2) |
| Nerve conduction velocity (m/s), mean (SD) | 43.5 (5.2) | 42.5 (5.8) |
| Nerve conduction amplitude (mV), mean (SD) | 3.3 (1.85) | 3.0 (2.0) |
| Vibration sensitivity (µ), mean (SD) | 52.9 (35.2) | 49.9 (35.5) |
| Monofilament test, n (%) | ||
| Good function | 760 (55) | 75 (60%) |
| Impaired function | 494 (36) | 38 (30%) |
| Poor function | 124 (9) | 12 (12%) |
Notes: SD = standard deviation.
*Numbers do not add up to total due to missing information for haplogroups.