Characteristics | Erosive HOA (n=31) | Non-Erosive HOA (n=22) | p |
---|---|---|---|
Age (years) | 65.55 ± 8.15 | 63.09 ± 10.85 | 0.551 |
Sex (females/ males) | 31/0 | 22/0 | - |
Disease duration (years) | 8.94 ± 7.74 | 7.16 ± 4.84 | 0.650 |
CRP (mg/l) | 1.81 ± 1.15 | 1.79 ± 1.77 | 0.378 |
ESR (mm/1st hour) | 13.26 ± 8.82 | 14.43 ± 9.10 | 0.530 |
AUSCAN total | 41.55 ± 11.89 | 32.32 ± 10.17 | 0.003 |
Dreiser algo-functional index | 18.45 ± 4.77 | 14.95 ± 4.67 | 0.005 |
Physical Examination (Mean Count of Affected Joints ± SD) | |||
Deformity | 11.84 ± 4.12 | 8.32 ± 4.74 | 0.008 |
Deviation | 4.32 ± 3.05 | 1.09 ± 1.95 | <0.001 |
Tenderness | 9.16 ± 4.03 | 5.09 ± 3.31 | <0.001 |
Effusion | 4.39 ± 4.15 | 1.68 ± 2.17 | 0.014 |
Radiographs | |||
Baseline Kallman score | 58.90 ± 28.89 | 26.14 ± 18.57 | <0.001 |
Kallman score at year 2 | 61.39 ± 28.67 | 26.73 ± 19.16 | <0.001 |
Progression (difference from baseline to year 2) | 2.48 ± 3.13 | 0.59 ± 1.59 | 0.002 |
Presence of knee OA (%) | 70.0 | 59.1 | 0.425 |
Three Phase Bone Scintigraphy | |||
Blood pool (count of inflamed joints) | 3.90 ± 3.24 | 1.45 ± 2.14 | 0.002 |
Late phase (count of remodelled joints) | 14.77 ± 6.28 | 6.00 ± 5.99 | <0.001 |