Table 2.
Descriptive values and comparative analysis of the PC area (cm2) before and after the maneuver, and 12 months after treatment for BPPV in elderly patients (n = 21).
| Situations BRUTM | Moment | Mean (SD) | Median | Variation | p | Moment | p |
|---|---|---|---|---|---|---|---|
| Before | 3.31 (2.87) | 2.28 | 0.81-10.95 | Before-After | |||
| Situation 1 | After | 5.06 (7.52) | 2.53 | 0.48-29.66 | 0.651 | Before-After 1 year | > 0.05 ns |
| After 1 year | 3.53 (3.67) | 2.34 | 0.94-16.69 | After-After 1 year | |||
| Before | 4.84 (3.87) | 4.71 | 0.57-13.32 | Before-After | < 0.05* | ||
| Situation 2 | After | 3.24 (3.81) | 2.11 | 0.30-15.13 | 0.003* | Before-After 1 year | > 0.05 ns |
| After 1 year | 5.41 (7.17) | 3.83 | 0.91-28.41 | After-After 1 year | < 0.05* | ||
| Before | 11.79 (9.55) | 8.08 | 2.59-43.77 | Before-After | |||
| Situation 3 | After | 8.98 (10.14) | 5.16 | 1.98-49.46 | 0.129 | Before-After 1 year | > 0.05 ns |
| After 1 year | 10.29 (7.11) | 7.24 1.86 | 2.01-27.46 | After-After 1 year | |||
| Before | 2.35 (2.03) | 1.86 | 0.53-9.48 | Before-After | |||
| Situation 4 | After | 2.42 (2.33) | 1.56 | 0.41-11.37 | 0.264 | Before-After 1 year | > 0.05 ns |
| After 1 year | 3.70 (4.72) | 2.31 | 0.67-22.60 | After-After 1 year | |||
| Before | 2.46 (2.55) | 1.79 | 0.41-12.44 | Before-After | |||
| Situation 5 | After | 2.88 (3.37) | 1.52 | 0.56-13.56 | 0.172 | Before-After 1 year | > 0.05 ns |
| After 1 year | 3.71 (5.99) | 2.25 | 0.53-28.71 | After-After 1 year | |||
| Before | 1.91 (1.57) | 1.44 | 0.42-7.83 | Before-After | |||
| Situation 6 | After | 3.04 (3.82) | 1.65 | 0.40-14.62 | 0.129 | Before-After 1 year | > 0.05 ns |
| After 1 year | 4.43 (5.85) | 2.86 | 0.75-24.53 | After-After 1 year | |||
| Before | 2.28 (1.87) | 1.80 | 0.57-8.58 | Before-After | |||
| Situation 7 | After | 2.78 (3.83) | 1.92 | 0.57-16.84 | 0.097 | Before-After 1 year | > 0.05 ns |
| After 1 year | 4.50 (5.04) | 2.33 | 0.51-18.84 | After-After 1 year | |||
| Before | 2.85 (2.85) | 2.02 | 0.30-12.30 | Before-After | > 0.05 ns | ||
| Situation 8 | After | 2.89 (4.45) | 1.47 | 0.23-20.95 | 0.009* | Before-After 1 year | < 0.05* |
| After 1 year | 4.37 (4.77) | 2.19 | 0.72-21.21 | After-After 1 year | < 0.05* | ||
| Before | 5.02 (4.52) | 3.70 | 0.59-21.52 | Before-After | > 0.05 ns | ||
| Situation 9 | After | 4.79 (5.79) | 3.12 | 1.34-27.90 | 0.002* | Before-After 1 year | < 0.05* |
| After 1 year | 7.75 (6.21) | 5.04 | 1.37-29.04 | After-After 1 year | < 0.05* | ||
| Before | 4.62 (4.19) | 3.24 | 1.12-20.76 | Before-After | |||
| Situation 10 | After | 4.01 (3.35) | 3.27 | 0.94-15.64 | < 0.001* | Before-After 1 year | < 0.05* |
| After 1 year | 7.51 (7.60) | 5.45 | 1.73-37.99 | After-After 1 year |
Friedman's non-parametric test. PC cm2 pressure center; Before: before the maneuver; After: after the maneuver; 12 months after the treatment; Situation 1: firm surface and open eyes; Situation 2: firm surface and closed eyes; Situation 3: pillow and eyes closed: Situation 4: firm surface and saccadic stimulation; Situation 5: firm surface and horizontal left/right optokinetic stimulation; Situation 6: firm surface and right/left horizontal optokinetic stimulation; Situation 7: firm surface and vertical top/bottom optokinetic stimulation; Situation 8: firm surface and bottom/up vertical optokinetic stimulation; Situation 9: firm surface and horizontal optokinetic stimulation associated with head movement; Situation 10: firm surface and vertical optokinetic stimulation associated with head movement; ns: not-significant.