Good Clinical Approach: Delphi Consensus for the Use of Betahistine in Menière’s Disease

Table 9

Results of the Consensus Conference on the parameters to be used to evaluate betahistine efficacy. 1 = absolutely disagree, 2 = disagree, 3 = agree, 4 = more than agree, and 5 = absolutely agree. Consensus was reached when the sum of items 1 and 2 or 3, 4, and 5 reached 66%. Same asterisk convention.

	1	2	3	4	5
In your opinion, what are the best parameters of efficacy to evaluate usage of Betahistine in the Ménière’s disease treatment?
Intensity or severity of attacks (vertigo score)	2%	0%	40%	17%	41%
	2%		98%
Number of attacks for 6 months	0%	0%	36%	19%	45%
	0%		100%
Quality of life questionnaires	0%	4%	55%	11%	30%
	4%		96%
Days of work/number of days being disabled	2%	22%	60%	8%	8%
	24%		76%
Intensity of attacks in last 6 moths	4%	17%	52%	5%	22%
	21%		79%
Questionnaire on social impact of Meniere disease	3%	18%	50%	12%	17%
	21%		79%
Questionnaire DHI	2%	5%	60%	10%	23%
	7%		93%
Audiogram	17%	31%	41%	4%	7%
	48%		52%