Table 2.

List of most common mutations.

Nucleotide change	Amino acid change	Number of patients, n =	%	Most common country of origin	Country of origin (other)
c.2228T > C	p.Met743Thr	37	20.2	Iran	Saudi Arabia, Italy, USA
c.1985C>T	p.Ala662Val	19	10.4	UK	USA, Ireland
c.2179G>A	p.Val727Met	17	9.3	India	Bangladesh, UK, Germany, Guyana, USA
c.829C>T	p.Arg277Trp	16	8.7	Iran	Moldova, India, UK
c.1807G>C	p.Val603Leu	12	6.6	South Korea
c.1225G>T	p.Asp409Tyr	9	4.9	UK
Total		110	60.1