Table 1 Characteristics of patients with hand OA and control subjects
OA patients (n = 135) | Erosive (n = 81) | Non-erosive (n = 54) | Controls (n = 53) | |
|---|---|---|---|---|
Age, years | 66.3 ± 8.3 | 67.6 ± 8.6* | 64.3 ± 7.3 | 64.6 ± 7.6 |
Sex, female/male | 120/15 | 74/7 | 46/8 | 48/5 |
CRP, mg/l | 3.2 ± 3.9 | 3.4 ± 4.1 | 2.9 ± 3.7 | 3.3 ± 5.1 |
BMI, kg/m2 | 27.2 ± 4.2 | 27.5 ± 4.5 | 26.8 ± 3.7 | NA |
Disease duration, years | 4.4 ± 5.2 | 4.4 ± 5.1 | 4.5 ± 5.5 | NA |
AUSCAN | 22.5 ± 10.5 | 23.9 ± 11.1* | 20.3 ± 9.1 | NA |
AUSCAN - pain | 8.4 ± 4.2 | 9.0 ± 4.4* | 7.5 ± 3.8 | NA |
AUSCAN - stiffness | 1.9 ± 0.9 | 2.0 ± 0.9 | 1.9 ± 0.9 | NA |
AUSCAN - function | 12.0 ± 6.4 | 12.8 ± 6.8 | 10.9 ± 5.6 | NA |
Algofunctional index | 18.6 ± 5.9 | 19.5 ± 6.4 | 17.2 ± 4.8 | NA |
VAS - pain, mm | 44.2 ± 22.7 | 46.7 ± 24.0 | 40.3 ± 20.3 | NA |
US osteophytes, n | 12.8 ± 5.1 | 14.0 ± 4.6** | 11.0 ± 5.4 | NA |
GS synovitis (total) | 7.5 ± 8.7 | 9.3 ± 9.2*** | 4.8 ± 7.2 | NA |
GS synovitis (joint count) | 5.5 ± 6.4 | 6.5 ± 6.6*** | 3.9 ± 5.8 | NA |
PD synovitis (total) | 2.0 ± 2.7 | 2.5 ± 3.1* | 1.3 ± 1.9 | NA |
PD synovitis (joint count) | 1.7 ± 2.1 | 2.1 ± 2.3** | 1.1 ± 1.6 | NA |
Knee OA, n (%) | 59 (44) | 35 (43) | 24 (44) | NA |
Hip OA, n (%) | 40 (30) | 27 (33) | 13 (24) | NA |
Knee and hip OA, n (%) | 28 (21) | 18 (22) | 10 (19) | NA |