Table 1

Changes in clinical and ultrasound parameters during the observation period

Baseline4 WeeksMean change and significance
*p⩽0.05;
**p⩽0.01;
***p⩽0.001.
Results are shown as mean (SD) unless indicated otherwise.
Pixel fraction0.21 (0.16)0.10 (0.13)0.11 ( 0.19)***
Total pixels14721.5 (12043.5)10169.9 (7567.2)4551.56 (9389.67)**
RI mean0.71 (0.12)0.79 (0.17)−0.078 (0.2)**
VAS (target joint)53.9 (28.0)35.2 (26.2)18.7 (25.7) ***
HAQ16.1 (8.3)13.7 (9.3)2.4 (5.4)*
ESR19.4 (14.79)18.8 (15.9)0.5 (12.8)NS
CRP21.2 (21.6)16.2 (16.4)5.0 (15.7)*
Morning stiffness (min), median (range)30 (0–300)5 (0–300)25*
Patient’s global assessment, median (range)3 (2–4)3 (1–4)0*
Tenderness of the target joint, median (range)2 (0–3)1 (0–3)1**
Swelling of the target joint, median (range)2 (0–3)1 (0–3)1***