Table 1.
Demographic characteristics of clinic patients and matched BLSA controls, vestibular function, and cognitive performance
| Clinic patients | Controls | |||
|---|---|---|---|---|
| N=54 | N=125 | |||
| Mean (SD) | N (%) | Mean (SD) | N (%) | |
| Sex | ||||
| Male | 22 (40.7%) | 50 (40.0%) | ||
| Female | 32 (59.3%) | 75 (60.0%) | ||
| Mean age (SD) | 55.9 (15.6) | 62.0 (12.7) | ||
| Education | ||||
| Less than college | 24 (44.4%) | 31 (24.8%) | ||
| College | 13 (24.1%) | 28 (22.4%) | ||
| Greater than college | 17 (31.5%) | 66 (52.8%) | ||
| cVEMP responses | ||||
| Bilaterally present | 13 (31.7%) | 125 (100%) | ||
| Unilaterally absent | 6 (14.6%) | 0 (0%) | ||
| Bilaterally absent | 22 (53.7%) | 0 (0%) | ||
| Bithermal Caloric irrigation | ||||
| Bilaterally present | 24 (55.8%) | - | ||
| Unilateral impairment | 18 (41.9%) | - | ||
| Bilateral impairment | 1 (2.3%) | - | ||
| Cognitive performance | ||||
| MRMT time | 116.6 (71.2) | - | ||
| MRMT errors | 3.0 (3.4) | - | ||
| TMT-B time | 78.6 (33.5) | 67.0 (36.7) | ||
| BVRT-C error score | 7.2 (4.6) | 8.0 (5.3) | ||
Abbreviations: cVEMP = Cervical vestibular-evoked myogenic potential, SD = standard deviation, “-“ = studies not conducted with BLSA participants