Table 2 Characteristics of patients with ankylosing spondylitis at baseline (AS pre) and after 1 month etanercept treatment (AS post)

	AS pre (n = 15)	AS post (n = 15)	p Value
ESR, mm/h	19 (5–45)	4 (1–13)	0.001
CRP, mg/dl	14 (4–37)	3 (1–8)	0.006
BASDAI	6.0 (5.3–7.2)	4.4 (1.8–6.4)	0.004
BASFI	5.2 (4.0–6.3)	3.2 (1.7–5.1)	0.003
BASMI	3.0 (2.0–4.0)	2.0 (2.0–4.0)	0.3
Total cholesterol, mmol/litre	5.0 (0.7)	5.3 (0.8)	0.04
HDL, mmol/litre	1.3 (0.4)	1.4 (0.3)	0.05
LDL, mmol/litre	3.1 (0.7)	3.2 (0.7)	0.6
TG, mmol/litre	1.3 (0.7)	1.6 (1.0)	0.3

Data are mean (SD) or median (interquartile range). Lipid profile was available for 13 patients (non-fasting). Figures in bold represent significant results.
BASDAI, Bath Ankylosing Spondylitis Disease Activity Index; BASFI, Bath Ankylosing Spondylitis Functional Index; BASMI, Bath Ankylosing Spondylitis Metrology Index; CRP, C-reactive protein; ESR, erythrocyte sedimentation rate; HDL, high-density lipoprotein; LDL, low-density lipoprotein; TG, triglyceride.