Table 1 Demographic and clinical characteristics of the ankylosing spondylitis patients at baseline
Variable | All patients (n= 180) | Biomarker study (n= 157) |
|---|---|---|
Age (years) | 48.7 (37.0 to 56.5) | 49.05 (38.3 to 57.7) |
Duration (years) | 18.0 (10.0 to 31.0) | 18.0 (11.0 to 31.0) |
Male | 147/180 (81.7%) | 130/157 (82.8%) |
CRP (mg/dl) | 7.9 (5.0 to 15.0) | 7.0 (5.0 to 15.0) |
BASDAI | 4.04 (2.29 to 5.77) | 4.00 (2.18 to 5.76) |
BASFI | 3.30 (1.80 to 5.38) | 3.33 (1.78 to 5.43) |
BASG | 4.25 (2.12 to 6.20) | 4.10 (2.15 to 6.20) |
Ever smoked | 106/180 (58.9%) | 95/157 (63.8%) |
Current smoker | 47/180 (26.1%) | 40/157 (25.5%) |