Table 3 |
|||
|
MRI, XR and bone densitometry in AM vs non-AM erosive PsA |
|||
| MRI (dominant wrist and fingers) |
AM |
non-AM |
p value |
|
|
|||
| Bone erosion score (PAMRIS) |
53.0* (28 to 125) |
15.0 (3 to 22) |
0.004 |
| MCPs bone erosion** |
1.8 (0.4 to 16.3) |
1.0 (0 to 4) |
0.045 |
| PIPs bone erosion |
2.8 (0 to 20) |
0.4 (0 to 3.4) |
0.036 |
| DIPs bone erosion |
1.3 (0 to 8.8) |
0.0 (0 to 3.4) |
0.018 |
| Bone oedema score (PAMRIS) |
14.7 (8.3 to 19.5) |
10.0 (2.0 to 12.5) |
0.056 |
| MCPs bone oedema |
0.0 (0 to 3) |
0.0 (0 to 2.3) |
0.71 |
| PIPs bone oedema |
0.0 (0 to 3.8) |
0.0 (0 to 1.5) |
0.74 |
| DIPs bone oedema |
0.0 (0 to 4) |
0.0 (0 to 2.8) |
0.74 |
| Bone proliferation score (PAMRIS) |
3.6 (2.2 to 5.0) |
0.7 (0.2 to 2.1) |
0.003 |
| MCPs bone proliferation |
0.3 (0 to 1) |
0.0 (0 to 0.8) |
0.037 |
| PIPs bone proliferation |
0.3 (0 to 0.9) |
0.0 (0 to 0.5) |
0.13 |
| DIPs bone proliferation |
0.3 (0 to 0.6) |
0.0 (0 to 1.0) |
0.021 |
| XR of hands and feet |
|||
|
|
|||
| XR erosion score |
89.8 (69.0 to 104.3) |
21.0 (6.0 to 35.0) |
0.001 |
| XR narrowing |
5.0 (57.0 to 108.3) |
16.5 (4.5 to 28.0) |
0.002 |
| Sacroiliitis (No. %) |
3 (27%) |
6 (35%) |
0.98 |
| Bone densitometry |
|||
|
|
|||
| T score L1 -4 |
0.7 (- 0.1 to 4.8) |
-0.1 (-1.6 to 2.8) |
0.13 |
| T score total femur |
-0.4 (-1.8 to 1.3) |
-0.3 (-2.1 to 1.3) |
0.88 |
|
|
|||
|
*Median + interquartile range shown **score per joint; median (range) AM = arthritis mutilans; DIP = distal interphalangeal; MCP = metacarpophalangeal; MRI = magnetic resonance imaging; non-AM = erosive psoriatic arthritis without bone lysis; PAMRIS = Psoriatic arthritis MRI scoring system; PIP = proximal interphalangeal; PsA = psoriatic arthritis; XR = plain radiography. |
|||
|
Tan et al. Arthritis Research & Therapy 2009 11:R2 doi:10.1186/ar2586 |
|||
