Table 2

Demographic and clinical parameters of responders and non-responders; response is defined as a 50% improvement of the initial BASDAI (BASDAI 50)

BASDAI 50 responder (nā€Š=ā€Š55)BASDAI 50 non-responder (nā€Š=ā€Š44)p Value
Male sex, No (%)38 (69)29 (66)0.7
Age (years), mean (SD)36.3 (8.6)41.1 (8.7)0.008
Disease duration (years), mean (SD)12.5 (8.2)17.8 (8.7)0.002
HLA-B27 positive, No (%)51 (93)37 (84)0.9
BASDAI, mean (SD)6.6 (1.2)6.2 (1.3)0.085
BASFI, mean (SD)4.9 (2.0)6.0 (1.9)0.007
CRP (mg/l), mean (SD)30.0 (25.3)19.9 (20.8)0.035