Sequence diversity indices for mtDNA lineages (positions 16,090–16,365) in the Roma populations and corresponding host populations included in the present study.

aData from present study;bData from Fernandez et al. [20];cData from Gresham et al. [6];dData from Irwin et al. [7];eData from Malyarchuk et al. [9];fUnpublished data;gData from Alvarez et al. [21];hData from Richards et al. [22];iData from Lappalainen et al. [23];jData from Grzybowski et al. [24].N, sample size; K, number of different sequences; S, number of polymorphic sites; Ĥ, sequence diversity; π, nucleotide diversity; θπ mean number of pairwise differences between sequences; θK mean number of pairwise differences based on K; θS mean number of pairwise differences based on S; D, Tajima's test of selective neutrality; FS, Fu's test of selective neutrality;*P-value**P-value