Table 3 Laboratory tests findings in SSc patients with and without myocardial involvement
Myocardial involvement (n = 21) | Non- myocardial involvement (n = 63) | P value | |
|---|---|---|---|
Leukopenia | 0 (0) | 1 (1.6) | 1 |
Thrombocytopenia | 2 (9.5) | 5 (7.9) | 1.000 |
Elevated IgG | 8 (38.1) | 22 (34.9) | 0.793 |
Elevated IgA | 1 (4.8) | 9 (14.3) | 0.437 |
Elevated IgM | 1 (9.5) | 6 (9.5) | 1 |
Decreased C3 | 0 (0)/20 | 7 (11.3)/72 | 0.186 |
Decreased C4 | 1 (5)/20 | 5 (8.1)/62 | 1 |
Elevated ESR | 6 (28.6) | 23 (37.1)/62 | 0.479 |
HsCRP (mg/L) | 2.9 (1.4,9.8) | 1.5 (0.7,3.7)/61 | 0.022 |
Elevated CK | 7 (33.3) | 3 (4.8) | 0.002 |
ANA positivity | 21 (100) | 56 (88.9) | 0.254 |
Anti-RNP antibody positivity | 4/20 (20) | 20 (31.7) | 0.313 |
Anti SCL70 antibody positivity | 15 (71.4) | 23 (36.3) | 0.005 |
ACA positivity | 2/20 (10) | 6/59 (10.2) | 1 |
Anti PM-Scl antibody positivity | 1/19 (5.3) | 1/56 (1.8) | 0.445 |