Table 1.

Frequency of β-thalassemia mutations in Sardinia.

Mutation	International Name (HGVS)	Frequency (%)
β-39	c.118C>T	95.7
β-6	c.20delA	2.2
β-76	c.230delC	0.7
β I-110	c.93-21G>A	0.5
β II-745	c.316-106C>G	0.4
β-87	c.-137C>A,G,T	0.2
β I-6	c.92+6T>C	0.2
β II -1	c.315+1G>C,A,T	0.1
β I -1	c.92+1G>T,A	0.03