ACR EULAR	American College of Rheumatology/European League Against Rheumatism
ANA	Antinuclear antibody
BMI	Body mass index
C3/C4	Complement C3/C4
CRP	c-reactive protein
ENA	Extractable nuclear antigen
FDR	False discovery rate
FoxP3	Transcription factor Forkhead box protein P3
HDL	High density lipoprotein
IFN	gamma Interferon-gamma
IL	Interleukin
KEGG	Kyoto encyclopedia of genes and genomes
La/SSB	Anti La/Sjögren’s syndrome
LDL	Low density lipoprotein
OTU	Operational taxonomic unit
PCoA	Principal Coordinates Analysis
PICRUSt	Phylogenetic investigation of communities of unobserved states
pSS	Primary Sjögren’s syndrome
QIIME	Quantitative Insights Into Microbial Ecology
Ro/SSA	Anti-Ro/Sjögren’s syndrome autoantibody A
SD	standard deviation
TNF	alpha Tumor necrosis factor-alpha
Tregs	Regulatory T cells