Table 3A:

Spearman correlations between abundance of selected gut microbiota and dry eye indices among cases

	DEQ-5	OSDI	TBUT	Schirmer	Corneal staining
Genus
Veillonella
rho=	0.19	0.28	−0.35	−0.12	0.34
p=	0.43	0.24	0.13	0.62	0.15
Species
Lactobacillus salivarius
rho=	−0.27	0.22	−0.12	0.08	−0.03
p=	0.91	0.34	0.61	0.73	0.89
Bifidobacterium animalis
rho=	0.18	0.01	−0.28	0.25	−0.29
p=	0.94	0.97	0.23	0.30	0.22
Prevotella stercorea
rho=	0.24	−0.02	−0.27	−0.08	0.23
p=	0.30	0.92	0.26	0.75	0.34
Fusobacterium varium
rho=	0.41	0.00	0.33	0.72	−0.27
p=	0.07	0.99	0.15	< 0.0001 ***	0.24

Abbreviation: DEQ5, Dry Eye Questionnaire 5, OSDI, ocular surface disease index, TBUT, tear break up time, Schirmer, Schirmer score, Stain, corneal staining

^*p < 0.05,

^**p < 0.01,

^***p < 0.001