|
Variables
|
BPPV
|
Controls
|
P-Value
|
|---|
|
Temporospatial
|
|
Walking Speed (m/s)
|
1.12 ± 0.15
|
1.20 ± 0.12
|
0.048
|
|
Step length (cm)
|
75.78 ± 8.43
|
78.84 ± 5.86
|
0.043
|
|
Cadence(steps/min)
|
111.17 ± 10.69
|
119.54 ± 8.03
|
0.002
|
|
Step timing variability
|
0.018 ± 0.009
|
0.016 ± 0.006
|
0.38
|
|
RMS
|
|
Head
|
|
VT
|
0.178 ± 0.05
|
0.212 ± 0.04
|
0.02
|
|
ML
|
0.11 ± 0.04
|
0.13 ± 0.03
|
0.09
|
|
AP
|
0.13 ± 0.04
|
0.17 ± 0.03
|
< 0.01
|
|
Trunk
|
|
VT
|
0.18 ± 0.06
|
0.22 ± 0.05
|
0.02
|
|
ML
|
0.11 ± 0.03
|
0.10 ± 0.02
|
0.57
|
|
AP
|
0.07 ± 0.03
|
0.09 ± 0.04
|
0.06
|
|
HR
|
|
Head
|
|
VT
|
2.66 ± 0.86
|
3.09 ± 0.88
|
0.50
|
|
ML
|
2.18 ± 0.54
|
2.78 ± 0.66
|
0.04
|
|
AP
|
2.07 ± 0.48
|
2.48 ± 0.63
|
0.15
|
|
Trunk
|
|
VT
|
2.54 ± 0.74
|
2.98 ± 0.61
|
< 0.01
|
|
ML
|
2.59 ± 0.72
|
2.97 ± 0.77
|
0.02
|
|
AP
|
1.50 ± 0.55
|
1.74 ± 0.59
|
0.14
|
- RMS refers to root mean square; HR refers to harmonic ratio; VT, ML, and AP refer to the vertical axis, mediolateral axis, and anteroposterior axis, respectively. Parameters with significant difference between BPPV patients and healthy controls are highlighted in bold