Table 1

Population characteristics at baseline. Values are mean (SD); median (interquartile range); number (column percentage)

IncludedDrop outsp Value
TS, time since symptom onset; TD, time since diagnosis; RF+, rheumatoid factor positivity; ANA+, antinuclear antibody positivity. RADAI, rheumatoid arthritis disease activity index; DAS28, disease activity index; HAQ, Health Assessment Questionnaire; x Ray, Ratingen x ray score.
Patients, No22836
Female, No (%)156 (68)32 (89)0.01
Age (years), mean (SD)59 (13)60 (15)0.81
TS (years), median (IQR)12 (6–18)9 (4–15)0.15
TD (years), median (IQR)11 (4–17)8 (4–14)0.30
RF+, No (%)161/201 (80)27/32 (84)0.57
ANA+, No (%)73/190 (38)7/30 (23)0.12
Pain, median (IQR)3 (1–5)4 (2–6)0.32
RADAI, mean (SD)3.5 (2.0)3.8 (1.8)0.47
DAS28, mean (SD)4.1 (1.5)4.4 (1.2)0.19
HAQ, median (IQR)1.0 (0.4–1.8)1.1 (0.5–1.5)0.49
x Ray score, median (IQR)3 (0–12)1 (0–21)0.71