Table 1.
Means (SD), mean session difference (SD), sample size for vestibular outcomes across sessions.
| Variable | NH |
CI |
||||
|---|---|---|---|---|---|---|
| Session 1 | Session 2 | Session difference | Session 1 | Session 2 | Session difference | |
| Frequency (Hz) | Rotary chair gain | |||||
|
.01 |
0.48 (—), 1 |
0.32 (—), 1 |
−0.16 (—) |
0.14 (0.18), 2 |
0.18 (0.02), 2 |
−0.04 (0.20) |
| .02 | 0.55 (0.08), 11 | 0.56 (0.14), 11 | 0.01 (0.08) | 0.42 (0.17), 16 | 0.41 (0.15), 16 | −0.01 (0.12) |
| .04 | — | — | — | 0.31 (0.16), 2 | 0.32 (0.09), 2 | 0.01 (0.25) |
| .08 | 0.64 (0.1), 12 | 0.62 (0.12), 12 | −0.08 (0.09) | 0.52 (0.18), 19 | 0.51 (0.16), 19 | −0.02 (0.12) |
| .16 | 0.70 (0.08), 11 | 0.67 (0.12), 11 | −0.01 (0.12) | 0.56 (0.16), 19 | 0.53 (0.13), 19 | −0.04 (0.15) |
|
.32
|
0.69 (0.1), 12 |
0.67 (0.11), 12 |
−0.03 (0.08) |
0.63 (0.15), 16 |
0.61 (0.12), 16 |
−0.03 (0.18) |
| Frequency (Hz) | Rotary chair phase | |||||
|
.01 |
40 (—), 1 |
47 (—), 1 |
7 (—) |
52.0 (—), 1 |
— |
— |
| .02 | 25.8 (9.6), 11 | 21.2 (8), 11 | −2.82 (5.34) | 29.5 (10.0), 13 | 35.3 (13.6), 13 | 6.08 (12.01) |
| .04 | — | — | — | 30 (—), 1 | 68 (—), 1 | 38 (—) |
| .08 | 5.3 (3.5), 12 | 6.1 (4.1), 12 | 1.92 (3.23) | 11.2 (7.8), 17 | 10.4 (10.1), 17 | −1 (7.96) |
| .16 | 3.0 (3), 11 | 4.1 (3.2), 11 | 1 (5.2) | 8.6 (8.6), 19 | 10.4 (12.5), 19 | 1.68 (5.44) |
|
.32
|
4.8 (3.8), 12 |
3.9 (2.5), 12 |
.83 (5.47) |
5.9 (4.2), 16 |
4.6 (6.3), 16 |
−2.41 (6.29) |
| Canal | vHIT gain | |||||
|
RH |
1.01 (0.1), 4 |
1.04 (0.1), 4 |
0.02 (0.10) |
0.80 (0.3), 17 |
.80 (0.3), 17 |
−0.0006 (0.06) |
|
LH
|
0.92 (0.05), 4 |
0.96 (0.06), 4 |
0.04 (0.10) |
0.76 (0.3), 17 |
.83 (0.2), 17 |
0.05 (0.22) |
| Ear | cVEMP amplitude | |||||
| Right |
212.5 (133.1), 24 |
306.23 (174.9), 24 |
128.62 (192.11) |
145.5 (215.6), 27 |
62.6 (89.0), 27 |
−82.97 (187.76) |
|
Left
|
239.7 (121.1), 24 |
312.7 (159), 24 |
97.70 (164) |
107.2 (145.0), 27 |
112.0 (159.2), 27 |
4.78 (169.47) |
| Ear | oVEMP amplitude | |||||
|
Right |
8.8 (11.6), 24 |
13.5 (9.7), 24 |
5.03 (8.89) |
1.9 (5.2), 22 |
2.0 (5.0), 22 |
.17 (2.3) |
| Left | 10.8 (11.2), 24 | 10.6 (7), 24 | 0.09 (10.98) | 3.5 (8.4), 22 | 2.9 (6.0), 22 | −.56 (4.81) |
Note. — = too few of cases for analysis; NH = normal hearing; CI = cochlear implant; vHIT = video head impulse test; RH = right horizontal; LH: left horizontal; cVEMP = cervical vestibular evoked myogenic potentials; oVEMP = ocular vestibular evoked myogenic potential.