Diagnostic classification
| Incidence | Prevalence | |||
|---|---|---|---|---|
| Poser criteria | n | % | n | % |
| Clinically definite | 116 | 87 | 369 | 92 |
| Laboratory supported definite | 15 | 11 | 19 | 5 |
| Clinically probable | 2 | 2 | 6 | 2 |
| Laboratory supported probable | 0 | 2 | 0 | |
| Not classified | 0 | 3 | 1 | |
| Total | 133 | 100 | 399 | 100 |