Rett syndrome in Ireland: a demographic study

Table 1 Comparison of number of Rett syndrome individuals studied across countries

Country	No. of individuals with RTT included in studies	Total population (million)	References
USA and Canada	919	331.9	[30,31,32,33,34,35]
Italy	84	59.11	[4, 36]
Denmark	27	5.86	[37,38,39]
Australia	349	25.69	[14, 40,41,42,43,44,45,46]
UK	91	67.33	[43, 47,48,49]
Netherlands & Belgium	137	29.12	[50, 51]
Brazil	27	214.3	[52]
Poland	23	37.75	[53]
Sweden	125	10.42	[54]
Ireland	25	5.03

The table illustrates the number of individuals with Rett syndrome in relation to the overall population for diverse countries, with references included for data sources. *The numbers of individuals with RTT included in the studies from the specific population mentioned above might have increased, with progressing research exploring a broader population

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