Table 1.

Demographic and clinical characteristics of patients.

Patients N	18
Females	5 (28%)
Age (years)*	37 ± 14
Disease duration (years)*	2 ± 14
HLA-B27 positive	15 (83%)
Localisation
Axial	3 (17%)
Axial and peripheral	15 (83%)
M0
CRP (mg/L)*	7 ± 10.7
ASDAS*	2.9 ± 0.8
BASDAI*	4.9 ± 1.7
M3
CRP (mg/L)*	2 ± 1.2
ASDAS*	1.4 ± 0.9
BASDAI*	2.0 ± 2.3
Response at M3
non responder (NR)	8 (44%)
partial responder (PR)	5 (28%)
responder (R)	5 (28%)
Δ ASDAS*	1.3 ± 1.2

*Medians ± SD.