| AO group | RO group | MO group |
---|
Patient number (n) | 135 | 48 | 46 |
Gender (male-female) | 67:68 | 24:24 | 28:18 |
Mean age | 56 ± 1.5b | 57 ± 2.2 | 60 ± 2.2 |
Mean age at onset | 52 ± 1.5 | 52 ± 2.2 | 56 ± 2.3 |
Disease duration, years | 4.9 ± 0.5 | 5.3 ± 0.7 | 3.6 ± 0.4 |
- aAO: patients with auricular involvement at disease onset (Auricular-Onset), RO: patients with respiratory involvement at disease onset (Respiratory-Onset), MO: patients with miscellaneous organ involvement at disease onset (Miscellaneous-Onset). 4 patients with both respiratory and auricular involvement at disease onset were excluded from this study due to their small numbers, to simplify the analysis. bAge, age at onset, and disease duration were expressed as mean ± standard error of the mean