Research Article

Clinical Significance of Different Profiles of anti-Ro Antibodies in Connective Tissue Diseases

Table 2

Comparison of laboratory data in patients with connective tissue diseases.

Parameters (, %)Groups valuesOverall
All Group A: Ro52 alone Group B: Ro60 alone Group C: Ro60 and Ro52 Group A vs. group BGroup A vs. group CGroup B vs. group C

IgG#>18 g/L420 (34.9)38 (25.2)58 (22.3)324 (40.9)0.509<0.0001<0.0001<0.0001
C3<0.8 g/L404 (30.6)27 (16.0)78 (27.6)299 (34.5)0.005<0.00010.031<0.0001
C4<0.15 g/L502 (38.1)43 (25.4)92 (32.5)367 (42.3)0.112<0.00010.003<0.0001
CRP>5 mg/L418 (31.7)70 (41.4)102 (36.0)246 (28.4)0.2550.0010.0150.001
ESR>20 mm/h754 (57.2)92 (54.4)145 (51.2)517 (59.6)0.5100.2100.0130.035
eGFR<60 mL/min/1.73m2108 (8.2)18 (10.7)21 (7.4)69 (8.0)0.2370.2480.7700.439
Albumin<30 g/L218 (16.5)25 (14.8)42 (14.8)151 (17.4)0.9890.4060.3140.485
RF208 (20.1)35 (28.2)42 (17.7)131 (19.4)0.0210.0260.5750.046

CRP: C-reaction protein; ESR: erythrocyte sedimentation rate. #116 patients without serum IgG result. A total of 282 patients did not have rheumatoid factor tested.