Table 3.

Demographics and gait variables among three DHI subgroups

Variables	Mild (N = 12) DHI 0–30	Moderate (N = 9) DHI 31–60	Severe (N = 6) DHI 61–100
Subject characteristics
Age (year)	62 (39.75)	63 (47)	53.5 (49.25)
Gender	3 M + 9 F	5 M + 4 F	3 M + 3 F
Weight (Kg)	62 (59.25)	60 (56)	56.5 (52)
Height (cm)	161 (158.5)	160 (156)	159 (156.5)
Temporospatial variables
Step length	73.18 (69.83)	80.57 (76.68)	75 (69.67)
Cadence	114.06 (107.53)	111.75 (104.07)	116.11 (96.48)
Walking speed	1.10 (1.01)	1.15 (1.06)	1.19 (0.97)
RMS
Head, VT	0.16 (0.15)	0.17 (0.16)	0.21 (0.11)
Head, AP	0.13 (0.12)	0.14 (0.12)	0.11 (0.09)
Trunk, VT	0.18 (0.15)	0.17 (0.15)	0.19 (0.14)
HR
Head, ML	1.86 (1.55)	2.00 (1.47)	1.60 (1.56)
Trunk, VT	2.31 (1.86)	2.13 (1.77)	2.09 (1.99)
Trunk, ML**	2.50 (2.17)	2.40 (2.10)	1.76 (1.58)
Step Regularity
Head, VT	0.69 (0.65)	0.62 (0.53)	0.62 (0.57)
Head, ML	0.61 (0.55)	0.69 (0.48)	0.47 (0.23)
Head, AP*	0.87 (0.81)	0.84 (0.75)	0.82 (0.76)
Stride regularity
Head, VT	0.78 (0.73)	0.80 (0.78)	0.76 (0.73)
Gait symmetry
Trunk, ML	0.90 (0.84)	0.88 (0.86)	0.91 (0.74)
Gait variability
Head, ML	0.77 (0.72)	0.85 (0.79)	0.81 (0.73)
Head, AP	0.79 (0.73)	0.78 (0.77)	0.80 (0.73)
Trunk, VT	0.76 (0.72)	0.79 (0.78)	0.76 (0.74)
Trunk, AP	0.77 (0.72)	0.78 (0.76)	0.81 (0.73)

DHI refers to DHI score. VT, ML, and AP refer to the vertical axis, mediolateral axis, and anteroposterior axis, respectively. * indicates p < 0.05. ** indicates p < 0.01. Parameters with significant difference between BPPV subgroups are highlighted in bold