Epidemiological characteristics of the 219 Paediatric Behçet's Disease (PEDBD) patients with confirmed and unconfirmed Behçet's disease (BD)
| Characteristics | Confirmed BD n=156 | Unconfirmed BD n=63 | p Value |
|---|---|---|---|
| Gender, males/females, no. (%) | 78 (50)/79 (50) | 31 (49.2)/32 (50.8) | 0.9153 |
| Consanguinity, no. (%)* | 6 (3.9) | 4 (6.4) | 0.4802 |
| Familial case, no. (%) | 32 (24.4) | 16 (29.1) | 0.5071 |
| Age at first symptom, years | 7.83±4.39 | 6.19±3.64 | 0.0105 |
| Age at first suspicion by the physician | 11.33±3.84 | 10.04±3.59 | 0.0123 |
| Age at diagnosis, years† | 13.87±3.82 | – | – |
| Age at last visit, years | 14.89±4.01 | 13.14±3.78 | 0.0020 |
| Time from first symptom to first visit | 4.54±3.35 | 4.85±3.88 | 0.8367 |
| Disease duration, years‡ | 7.11±3.58 | 6.94±4.28 | 0.6485 |
Data are mean±SD unless indicated.
*Unknown for five patients.
†BD diagnosis/confirmation: age at which the patient could be classified as having definite BD by the consensus of experts.
‡Disease duration: mean time between the first symptoms of BD to the last follow-up visit in the PEDBD cohort.