Comparison of serological tests in patients with HAM, definitive Sjögren’s syndrome, and patients with Sjögren’s syndrome who were positive and negative for anti-HTLV-I antibody
| HAM (n=10) | HAM with definitive SS (n=6) | SS positive for anti-HTLV-I Ab (n=20) | SS negative for anti-HTLV-I Ab (n=20) | |
| Total protein (g/dl) | 7.26 (0.54) | 7.25 (0.64) | 7.64 (1.02) | 7.64 (0.51) |
| γ globulin (g/dl) | 1.72 (1.06) | 2.24 (1.18) | 1.82 (0.88) | 1.78 (0.47) |
| IgG (mg/dl) | 2357 (949) | 2742 (1064) | 2559 (1071) | 2468 (624) |
| Rheumatoid factor4-151 | 2/10 (20.0%) | 2/6 (33.3%) | 11/19 (57.9%) | 13/20 (65.0%)* |
| ANA | 4/10 (40.0%) | 4/6 (66.7%) | 16/20 (80.8%)* | 18/20 (90.0%)** |
| Anti-SS-A | 2/10 (20.0%) | 2/6 (33.3%) | 12/19 (63.2%)* | 15/20 (75.0%)** |
| Anti-SS-B | 1/10 (10.0%) | 1/6 (17.7%) | 2/19 (10.5%) | 2/20 (10.0%) |
↵4-151 Positive number/total number of patients examined. p Value was calculated by χ2 test (*p<0.05 v HAM patients. **p<0.01 v HAM patients). Data shown as mean (SD) unless otherwise stated.