Efficacy measures | NPX N=40 | No treatment N=40 | p Value for treatment group difference | ||||||
---|---|---|---|---|---|---|---|---|---|
Week 28, mean | Week 52, mean | Change, mean (SD) | % Change | Week 28, mean | Week 52, mean | Change, mean (SD) | % change | ||
ASDAS | 0.9 | 1.5 | 0.6 (0.71) | 145.8 | 1.0 | 1.6 | 0.6 (0.63) | 95.5 | 0.84 |
BASDAI (10 cm VAS) | 0.7 | 1.2 | 0.6 (1.06) | 71.3 | 0.5 | 1.7 | 1.1 (1.37) | 214.5 | 0.11 |
BASMI (10 cm VAS) | 1.5 | 1.8 | 0.3 (0.47) | 30.2 | 1.6 | 1.7 | 0.3 (0.63) | 19.6 | 0.89 |
BASFI (10 cm VAS) | 0.6 | 1.0 | 0.5 (0.79) | 73.5 | 0.6 | 1.5 | 0.9 (1.41) | 144.1 | 0.30 |
CRP (mg/dl) | 0.37 | 0.69 | 0.29 (0.924) | 85.0 | 0.53 | 0.72 | 0.26 (0.707) | 34.3 | 0.99 |
ESR (mm/h) | 7.1 | 14.7 | 7.6 (11.63) | 209.8 | 9.4 | 13.6 | 5.1 (10.10) | 134.0 | 0.46 |
EQ-5D index score* | 0.85 | 0.73 | −0.12 (0.228) | −13.9 | 0.84 | 0.74 | −0.12 (0.232) | −12.0 | 0.95 |
*An increase in this score indicates improvement. For all other measures, a decrease in score indicates improvement.
ASDAS, Ankylosing Spondylitis Disease Activity Score; 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; EQ-5D, EuroQoL 5D Health Questionnaire; VAS, visual analogue scale.