Table 1 Summary statistics of CR sequences in Vietnam carried out on six Vietnamese locations. All the computations were undertaken on the common sequence segment that ranges from 16024 to 574. Main regions represent the following populations: North = Lao Cai + Cao Bang + Ha Noi + Hai Pong, Center = Da Nang, and South = Ho Chi Minh.

Population	n	k	k/n	S	n_mut	H ± SE	Π ± SE	M
Provinces
Cao Bang	113	108	0.96	147	151	0.999 ± 0.001	0.0103 ± 0.0004	11.5
Hai Pong	133	119	0.89	150	156	0.997 ± 0.001	0.0105 ± 0.0003	11.7
Ha Noi City	38	38	1.00	89	91	1.000 ± 0.006	0.0110 ± 0.0005	12.3
Lao Cai	115	65	0.57	88	91	0.980 ± 0.005	0.0089 ± 0.0003	9.9
Da Nang	135	123	0.91	148	153	0.998 ± 0.001	0.0102 ± 0.0002	11.4
Ho Chi Minh	88	83	0.94	133	137	0.998 ± 0.002	0.0109 ± 0.0004	12.1
Main regions
North	399	309	0.77	216	230	0.997 ± 0.001	0.0104 ± 0.0002	11.6
Center	135	123	0.91	148	153	0.998 ± 0.001	0.0102 ± 0.0002	11.4
South	88	83	0.94	133	137	0.998 ± 0.002	0.0109 ± 0.0004	12.1
Ethnic group
Hoa	23	23	1	70	71	1.000 ± 0.013	0.0107 ± 0.0007	12.0
Kho Me	1	—	—	—	—	—	—	—
Kinh	399	334	0.84	218	230	0.998 ± 0.000	0.0105 ± 0.0002	11.7
Mong	115	65	0.57	88	91	0.980 ± 0.005	0.0089 ± 0.0003	9.9
Nung	21	21	1	54	54	1.000 ± 0.015	0.0094 ± 0.0006	10.5
Tay	62	54	0.87	114	118	0.998 ± 0.003	0.0110 ± 0.0005	12.2
Thai	1	—	—	—	—	—	—	—
Vietnam (all)	622	478	0.77	252	271	0.998 ± 0.000	0.0105 ± 0.0001	11.7

n = Sample size; k = Number of different haplotypes; S = number of polymorphic (segregating sites); n _mut = total number of mutations; H = haplotype diversity and standard error; π = nucleotide diversity and standard error; M = average number of nucleotide differences.

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