Results | Healthy, n = 40 | RA, n = 40 | p |
---|---|---|---|
Total number of erosions (D wrist) | 29 | 125 | |
Total number of erosions (D hand) | 21 | 82 | |
Total number of erosions (ND wrist) | 23 | 140 | |
Total number of erosions (ND hand) | 16 | 78 | |
Total number of erosions (D hand/wrist) | 50 | 207 | |
Total number of erosions (ND hand/wrist) | 39 | 218 | |
Total number of erosions (B hand/wrist) | 89 | 425 | |
Mean number of erosions (range) | 2.2 (0–9) | 10.6 (0–45) | |
Median number of erosions | 1.5 | 8.5 | p < 0.001* |
Number of erosions scored > 1 (D wrist) | 4 | 42 | |
Number of erosions scored > 1 (D hand) | 3 | 43 | |
Number of erosions scored > 1 (ND wrist) | 6 | 50 | |
Number of erosions scored > 1 (ND hand) | 6 | 23 | |
Number of erosions scored > 1 (D hand/wrist) | 7 | 85 | |
Number of erosions scored > 1 (ND hand/wrist) | 12 | 73 | |
Total number of erosions scored > 1 (B hand/wrist) | 19 | 158 | |
Mean number of erosions scored > 1 (range) | 0.5 (0–3) | 4.0 (0–35) | |
Median number of erosions scored > 1 | 0 | 1.0 | p = 0.004* |
Erosion score (D wrist) | 40 | 286 | |
Erosion score (D hand) | 23 | 221 | |
Erosion score (ND wrist) | 41 | 307 | |
Erosion score (ND hand) | 25 | 126 | |
Erosion score (D hand/wrist) | 63 | 507 | |
Erosion score (ND hand/wrist) | 66 | 433 | |
Total erosion score (B hand/wrist) | 129 | 940 | |
Mean erosion score (range) | 3.2 (0–14) | 23.5 (0–289) | |
Median erosion score | 2 | 10 | p < 0.001* |
Edema score (D wrist) | 13 | 101 | |
Edema score (D hand) | 0 | 41 | |
Edema score (ND wrist) | 8 | 112 | |
Edema score (ND hand) | 0 | 43 | |
Edema score (D hand/wrist) | 13 | 142 | |
Edema score (ND hand/wrist) | 8 | 155 | |
Total edema score (B hand/wrist) | 21 | 297 | |
Mean bone edema score (range) | 0.5 (0–5) | 7.5 (0–78) | |
Median bone edema score | 0 | 2 | p < 0.001* |
Synovitis score (D wrist) | 31 | 81 | |
Synovitis score (D hand) | 12 | 90 | |
Synovitis score (ND wrist) | 19 | 91 | |
Synovitis score (ND hand) | 13 | 73 | |
Synovitis score (D hand/wrist) | 43 | 171 | |
Synovitis score (ND hand/wrist) | 32 | 164 | |
Total synovitis score (B hand/wrist) | 75 | 335 | |
Mean synovitis score (range) | 1.8 (0–14) | 8.3 (0–38) | |
Median synovitis score | 0 | 5 | p < 0.001* |
Total RAMRIS (B hand/wrist) | 225 | 1572 |
↵* Mann-Whitney rank sum test. D: dominant; ND: nondominant; B: bilateral; RAMRIS: rheumatoid arthritis magnetic resonance imaging scoring system.