Table 2 Clinical comparison of MRH with RA patients
Characteristics | MRH (N = 11) | RA(N = 33) | P value |
|---|---|---|---|
Age (years) | 46 (33–84) | 54(25–69) | 0.416 |
Gender (F/M) | 8/3 | 29/4 | 0.234 |
PIPs involved (n, %) | 8 (72.7) | 31 (93.9) | 0.055 |
Knees involved (n, %) | 8 (72.7) | 29 (87.9) | 0.234 |
Wrists involved (n, %) | 8 (72.7) | 31 (93.9) | 0.055 |
DIPs involved (n, %) | 7 (63.6) | 8 (24.2) | 0.017* |
Ankles involved (n, %) | 5 (45.5) | 32 (97.0) |  < 0.001* |
MCPs involved (n, %) | 4 (36.4) | 26 (78.8) | 0.009* |
Elbows involved (n, %) | 4 (36.4) | 24 (72.7) | 0.030* |
Shoulders involved (n, %) | 3 (27.3) | 15 (45.5) | 0.288 |
Elevated CRP (n, %) | 4 (36.4) | 19 (57.6) | 0.223 |
Abnormal ESR (n, %) | 4 (36.4) | 24 (72.7) | 0.030* |
Positive RF (n, %) | 4 (36.4) | 29 (87.9) | 0.001* |
RF titer (IU/ml, median, range) | 43.8 (31.7–61.0) | 175.4 (21.3–940.3) | 0.021* |
Positive anti-CCP (n, %) | 1 (9.1) | 27 (81.8) | 0.000* |
Positive ANA (n, %) | 7 (63.6) | 16 (48.5) | 0.384 |