Table 1

Characteristics of the study group (n=67)

VariablesMean (SD)Range
Age (years)61.7 (13.0)23–84
Weight (kg)65.5 (11.9)45–95
Height (cm)161 (7)145–178
Body mass index (kg/m2)25 (4)19–37
Disease duration (years)14.9 (12.0)1–51
% IgM RF positive women84
Erythrocyte sedimentation rate26 (21)1–78
Steinbrocker index (1–4)2.5 (0.7)1–4
HAQ (0–3)1.4 (0.7)0–2.8
VAS (0–100)43 (21)2–83
Number of swollen joints7.6 (4.5)0–20
Number of tender joints7.1 (5.6)0–26
Cumulative steroid dose (g)5.4 (10.6)0–66.2
SOS (m/s)1499 (37)1440–1598
BUA (dB/MHz)101 (11)82–137
Stiffness67 (17)38–116
BMD (g/cm2)
    Spine0.91 (0.18)0.57–1.41
    Distal forearm0.34 (0.09)0.18–0.58
    Femoral neck0.73 (0.16)0.39–1.11
Quadriceps strength (Nm)79 (33)22–171