Table 1 Overview of the metadata for healthy and spondyloarthritis (SpA) fecal donors. Bristol stool scale ranges from type 1 (hard and separate lumps) to type 7 (liquid consistency)52. Ankylosing Spondylitis Disease Activity Score with C-reactive protein (ASDAS-CRP) to estimate disease activity59. Cut-off values: < 1.3 for inactive disease, 1.3–2.0 for low disease activity, 2.1–3.5 for high and > 3.5 for very high disease activity60.

From: In vitro triple coculture with gut microbiota from spondyloarthritis patients is characterized by inter-individual differences in inflammatory responses

Donor type

Donor

ASDAS-CRP

Age

Sex

Bristol stool scale

Healthy

H1

NA

26

Male

Type 4

Healthy

H2

NA

43

Male

Type 4

Healthy

H3

NA

27

Male

Type 5

Axial SpA

P1

1.1

22

Male

Type 6

Axial SpA

P2

1.1

54

Male

Type 5

Axial SpA

P3

2.2

29

Male

Type 5