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<0.05;
**P-value<0.001.