Table 1.

Mediation effect between gut microbiota and vertigo

Benign Paroxysmal Vertigo (Outcome)
Exposure	Mediator	Total effect	BetaA	BetaB	Mediation effect	Mediation effect proportion
family Rhodospirillaceae	Major depression	-0.073	-0.099	0.212	-0.021	28.77%
class Lentisphaeria/ order Victivallales	Obesity	0.059	0.186	0.044	0.008	13.90%
genus Bifidobacterium	HbA1c	-0.092	-0.085	0.127	-0.011	11.79%
family Bifidobacteriaceae/ order Bifidobacteriales	HbA1c	-0.082	-0.073	0.127	-0.009	11.36%
Vertigo of Central (Outcome)
Exposure	Mediator	Total effect	BetaA	BetaB	Mediation effect	Mediation effect proportion
phylum Actinobacteria	Interleukin-18 levels	0.427	0.066	0.424	0.028	6.56%
genus Alloprevotella	Major depression	0.220	0.016	0.904	0.014	6.51%