Table 1.
Characteristic of patients with Behçet’s disease (BD) who were enrolled in the study
| Characteristics | All (n = 578) | Male (n = 247) | Female (n = 331) | P a |
|---|---|---|---|---|
| Age at onset (mean ± SD) | 36.8 ± 12.4 | 35.2 ± 12.1 | 37.8 ± 12.0 | 0.013 b |
| Observation period (mean ± SD) | 9.2 ± 9.2 | 8.2 ± 7.6 | 9.6 ± 8.4 | 0.036 b |
| HLA-B51, n (%) | 177/352 (50.3) | 88/170 (51.8) | 89/182 (48.9) | 0.59 |
| Oral ulcer, n (%) | 572 (99.0) | 246 (99.6) | 326 (98.5) | 0.11 |
| Genital ulcer, n (%) | 417 (72.3) | 141 (57.3) | 276 (83.4) | <0.0001 |
| Eye involvement, n (%) | 356 (61.6) | 181 (73.3) | 175 (52.9) | <0.0001 |
| Skin involvement, n (%) | 513 (88.8) | 212 (85.8) | 301 (90.9) | 0.055 |
| Arthritis, n (%) | 301 (52.1) | 104 (42.1) | 197 (59.5) | <0.0001 |
| Epididymitis, n (%) | 14 (2.4) | 14 (5.7) | ||
| Gastrointestinal involvement, n (%) | 71(12.3) | 26 (10.5) | 45 (13.6) | 0.069 |
| CNS involvement, n (%) | 59 (10.2) | 34 (13.8) | 25 (7.6) | 0.015 |
| Vascular involvement, n (%) | 46 (8.0) | 25 (10.1) | 21 (6.3) | 0.097 |
| Fulfilling ISG, n (%) | 517 (89.4) | 213 (86.2) | 304 (91.8) | 0.030 |
aMale vs. female groups. bAnalyzed using the unpaired t test. Other variables were analyzed using the chi-square test. CNS central nervous system, ISG International Study Group criteria for BD. Significant results are highlighted in bold font