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. 2010 Mar 23;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

*USH NC: Clinical data not available to classify the patients into any subtype.