Table 1. Patient demographics.
| Variable | Chronic urticaria | p-value | |
|---|---|---|---|
| The patients with food allergy history (n=46) | The patients without food allergy history (n=304) | ||
| Sex | 0.302 | ||
| Male | 22 (47.8) | 121 (39.8) | |
| Female | 24 (52.2) | 183 (60.2) | |
| Age (yr) | 36.37±16.69 | 40.16±17.26 | 0.164 |
| Disease duration (mo) | 28.96±58.79 | 23.15±44.61 | 0.492 |
| Immunosuppressive medication history | 0.243* | ||
| Nonusers | 37 (80.4) | 264 (86.8) | |
| Users (mg/d) | 9 (19.6) | 40 (13.2) | |
| CsA (100)+MPD (4) | 1 (2.2) | 1 (0.3) | |
| CsA (25)+MPD (4) | 1 (2.2) | 2 (0.7) | |
| CsA (100) | 2 (4.3) | 8 (2.6) | |
| CsA (25) | 3 (6.5) | 19 (6.3) | |
| MPD (4) | 2 (4.3) | 10 (3.3) | |
Values are presented as number (%) or mean±standard deviation. CsA: cyclosporine, MPD: methylprednisolone. *There were no significant differences between the patient group on immunosuppressant therapy with and without past history of food allergy.