Institute of Health Information and Statistics of the Czech Republic
In 2011 twenty-four medical organisations submitted annual reports about their activity. The most frequent disability by patients under 18 years of age was in 46 % dyslalia. The most frequent disability by patients over 19 years of age was in 57 % aphasia. Since 2007 the number of treated persons increased of 8,2 % and the number of treatments of 10%.