Table 1 of Aller, Mol Vis 2010; 16:495-500.
Table 1. Clinical classification of USH patients.
| Origin | USH1 | USH2 | USHA | USH NC* | Total |
|---|---|---|---|---|---|
| The Netherlands | 0 | 27 | 2 | 10 | 39 |
| Spain | 21 | 51 | 2 | 0 | 74 |
| Germany | 2 | 44 | 0 | 1 | 47 |
| Hungary | 2 | 13 | 2 | 0 | 17 |
| Canada | 1 | 4 | 0 | 0 | 5 |
| Russia | 1 | 2 | 0 | 0 | 3 |
| Arabia | 0 | 1 | 0 | 0 | 1 |
| Egypt | 2 | 2 | 0 | 0 | 4 |
| Turkey | 0 | 3 | 0 | 0 | 3 |
| Unknown | 0 | 2 | 0 | 0 | 2 |
| Total | 29 | 149 | 6 | 11 | 195 |