Table 3. Comparison of frequency of deletions in different Ethnic groups.

Country	% of deletion	Exons tested	Methods	Authors
Morocco	59%	18 exons	Multiplex PCR (I-II)	Aziza El Sbiti et al., 2002
Kuwait	86%	25 exons	Multiplex PCR (I-II-III)	Haider et al., 1998
Turkey	59%	18 exons	Multiplex PCR (I-II)	Battalogue et al., 1992
Turkey	52%	10 exons	Multiplex PCR (II)	Kuseyri et al., 1993
Greece	63%	18 exons	Multiplex PCR (I-II)	Florentin t al., 1995
Egypt	55%	18 exons	Multiplex PCR (I-II)	Effat et al., 2000
Egypt	52%	10 exons	Multiplex PCR (I)	Elhawary et al., 2004
Present study	61.1%	25 exons	Multiplex PCR (I-II-III)