Current Genetic Epidemiology of 𝛽-Thalassemias and Structural Hemoglobin Variants in the Lazio Region (Central Italy) Following Recent Migration Movements

Table 3

(a) Laboratory tests for provisional diagnosis (normal, anemic, iron deficient, carrier, and affected individuals)

Years	Examined subjects (𝑛)	Immigrants
		(𝑛)	%	Carriers of affected	%
1994–2007	167.235	10.353	6.2	2484	24.0

(b) Molecular tests for definitive diagnosis (carriers and affected individuals)

Years	Examined subjects (𝑛)	Immigrants
		(𝑛)	%
1994–1998	950	26	2.74
1999–2003	2,047	93	4.54
2004–2008	2,725	137	5.03
1994–2008	5,722	256	4.47