Efficacy of betahistine plus cognitive behavioral therapy on residual dizziness after successful canalith repositioning procedure for benign paroxysmal positional vertigo

Figures & data

Table 1 Demographic profile of the recruited patients

Variables	High-dose group	Low-dose group	P-value
n	50	50	–
Age (years)a	52.14 (9.70)	52.86 (9.01)	0.70
Female/maleb	29/21	28/22	0.84
Education (years)a	7.02 (2.97)	7.14 (3.02)	0.84
BMI (kg/m^2)a	23.22 (3.26)	22.87 (3.54)	0.61
Smoking (Y/N)b	14/36	18/32	0.39
Single household (Y/N)b	10/40	15/35	0.25
DHI scoresa	52.4 (7.58)	53.3 (8.15)	0.57
HDRS scoresa	16.58 (2.67)	16.66 (2.79)	0.88
HARS scoresa	11.34 (2.52)	11.14 (3.39)	0.74

Notes:

a Mean ± SD, P-value was from Student’s t-test.

b P-value was from chi-squared test.

Abbreviations: BMI, body mass index; DHI, 25-item Dizziness Handicap Inventory; HARS, Hamilton Anxiety Rating Scale; HDRS, Hamilton Depression Rating Scale; N, no; Y, yes.

Figure 1 Flow diagram of this study.

Figure 2 Duration of residual dizziness in both groups.

Figure 3 Average DHI scores at baseline and at weeks 1, 2, and 4 in both groups.

Abbreviation: DHI, 25-item Dizziness Handicap Inventory.

Figure 4 Average HDRS scores at baseline and weeks 1, 2, and 4 in both groups.

Abbreviation: HDRS, Hamilton Depression Rating Scale.

Figure 5 Average HARS scores at baseline and at weeks 1, 2, and 4 in both groups.

Abbreviation: HARS, Hamilton Anxiety Rating Scale.