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Demographic characteristics and ethnicity of the patient cohort
| Characteristic | Number | % |
|---|---|---|
| Age (mean ± SD), yrs | 42.4 ± 23.6 | |
| Sex | ||
| Male | 149 | 49 |
| Female | 156 | 51 |
| All | 305 | 100 |
| Ethnicity | ||
| Western European | 237 | 77.8 |
| Western Asian | 31 | 10.2 |
| Eastern European | 17 | 5.6 |
| Southern European | 14 | 4.6 |
| Southern Asian | 5 | 1.6 |
| Other | 1 | 0.3 |
