| | Patients with CSU | value | | Positive ANA () | Negative ANA () |
| | Total eosinophil (cell/microL), median (min-max) | 113 (13-399) | 148 (11-746) | 0.177 | | Eosinophilia (500 eosinophils/microL), (%) | 3/71 (4.2%) | 9/148 (6.1%) | 0.755 | | Total white blood cell (cell/microL), median (min-max) | 6,380 (2,053-13,100) | 6,385 (2,048-17,220) | 0.748 | | Leukopenia (<4,000 white blood cell/microL), (%) | 22/94 (23.4%) | 58/206 (28.2%) | 0.388 | | Erythrocyte sedimentation rate (ESR) (mm/hr) (), median (min-max) | 18 (4-84) | 14 (1-60) | 0.007 | | Stool exam: Blastocystis hominis, (%) | 1/42 (2.4%) | 4/85 (4.7%) | 1.00 | | HBsAg (positive), (%) | 1/57 (1.8%) | 5/127 (3.9%) | 0.668 | | Anti HCV (positive), (%) | 2/52 (3.8%) | 0/104 (0.0%) | 0.110 | | Thyroid microsomal antibody (positive), (%) | 1/15 (6.7%) | 3/30 (10.0%) | 1.000 | | Antithyroid peroxidase (anti-TPO) (positive), (%) | 8/40 (20.0%) | 11/75 (14.7%) | 0.463 | | Antithyroglobulin antibody (positive), (%) | 15/52 (28.8%) | 22/109 (20.2%) | 0.222 | | T3, (%) | | | 0.713 | | Low | 2/19 (10.5%) | 7/45 (15.6%) | | | FT4, (%) | | | 0.614 | | Low | 3/24 (12.5%) | 2/42 (4.8%) | | | High | 1/24 (4.2%) | 2/42 (4.8%) | | | TSH, (%) | | | 0.834 | | Low | 1/58 (1.7%) | 5/122 (4.1%) | | | High | 3/58 (5.2%) | 7/122 (5.7%) | | | D-dimer (>500 ng/mL), (%) | 7/14 (50.0%) | 14/37 (37.8%) | 0.431 | | IgE (>100 IU/mL), (%) | 13/18 (72.2%) | 22/38 (57.9%) | 0.301 | | Autologous serum skin test (positive), n (%) | 4/18 (22.2%) | 14/39 (35.9%) | 0.302 | | Skin prick pest (positive), (%) | 6/15 (40.0%) | 26/45 (57.8%) | 0.232 |
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