Table 1

‚ÄÉMain demographic characteristics and disease history of patients with ankylosing spondylitis, with regard to country

CountrynSex (male, %)Age (years)*Disease duration since first symptoms (years)*Paid job (yes, %)Current sick leave (yes, %)Inflammatory bowel disease (yes, %)Previous treatment with sulfasalazine (yes, %)Previous treatment with methotrexate (yes, %)
*Values are mean (SD).
Australia1207446 (13)19 (11)584194319
Belgium977544 (14)16 (12)572272911
Canada947938 (13)15 (11)612310115
France1375541 (14)13 (11)591710385
Germany2007345 (14)16 (11)671263215
Italy1038047 (13)16 (9)6229173515
Mexico1287638 (13)12 (11)6635104810
The Netherlands987547 (15)21 (13)64207291
Spain1837847 (14)18 (12)64425379
UK477748 (12)20 (13)6593192
Total12077444 (14)16 (11)6329103410