Treatment of Vertigo: A Randomized, Double-Blind Trial Comparing Efficacy and Safety of Ginkgo biloba Extract EGb 761 and Betahistine

Table 2

Changes during the 12-week treatment period; means ± standard deviations; 𝑃 values (Wilcoxon test).

	EGb 761	Betahistine	𝑃 value
NAS	−3.5±1.8	−3.3±1.7	0.704
VSS-SF total score	−14.7±7.8	−13.4±8.5	0.319
VSS-V subscore	−7.6±5.0	−7.0±5.2	0.432
VSS-A subscore	−7.1±4.1	−6.4±4.6	0.446
SDS total score	−9.4±5.7	−8.3±5.7	0.260
CGI change score	1.9±0.9	2.1±0.9	0.237