Comparison of various immunoserological findings in patients with primary Sjögren's syndrome at baseline and at the control visit
| Variable | At baseline | At the control visit | p Value | n |
| Haemoglobin (g/l) | 128 (13) | 126 (13) | NS | 107 |
| Leucocytes (× 109/l) | 5.3 (1.7) | 5.1 (1.9) | NS | 107 |
| Thrombocytes (× 109/l) | 257 (70) | 248 (69) | NS | 105 |
| ESR (mm/1st h) | 45 (28) | 33 (22) | <0.0001 | 106 |
| Protein (g/l) | 79 (7) | 77 (9) | 0.024 | 86 |
| IgA (g/l) | 3.2 (1.6) | 3.2 (2.0) | NS | 101 |
| IgG (g/l) | 22.5 (8.5) | 18.8 (7.4) | <0.0001 | 102 |
| IgM (g/l) | 2.0 (1.2) | 1.6 (1.1) | <0.0001 | 101 |
| β2m (mg/l) | 3.1 (1.5) | 3.2 (1.5) | NS | 88 |
| C3 (g/l) | 1.04 (0.22) | 1.10 (0.24) | 0.010 | 96 |
| C4 (g/l) | 0.17 (0.08) | 0.18 (0.10) | NS | 95 |
| Patients positive for | ||||
| Rheumatoid factor | 46% | 74% | 0.001 | 80 |
| ANA | 67% | 83% | 0.008 | 103 |
Values are means (SD).
ESR = erythrocyte sedimentation rate; ANA = antinuclear antibodies; NS = not significant.