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Table 1 Mean ancestry proportion and standard errors in different cities of Chile using admixture

From: Development of a small panel of SNPs to infer ancestry in Chileans that distinguishes Aymara and Mapuche components

Sampling city (percentage of country population)

N

European

African

Amerindian

Aymara

Mapuche

Reference populations

 CEU

30

0.97 ± 0.01

0.02 ± 0.00

0.00 ± 0.00

0.01 ± 0.00

0.00 ± 0.00

 YRI

30

0.00 ± 0.00

0.99 ± 0.00

0.00 ± 0.00

0.00 ± 0.00

0.00 ± 0.00

 PUNO

30

0.02 ± 0.00

0.00 ± 0.00

0.92 ± 0.01

0.83 ± 0.02

0.15 ± 0.02

 CLS

30

0.01 ± 0.01

0.01 ± 0.00

0.98 ± 0.01

0.16 ± 0.01

0.82 ± 0.02

ChileGenomico samples*

 Arica (1.3)

239

0.41 ± 0.01

0.05 ± 0.00

0.50 ± 0.01

0.36 ± 0.02

0.18 ± 0.01

 Iquique (1.9)

211

0.45 ± 0.01

0.05 ± 0.00

0.47 ± 0.01

0.30 ± 0.01

0.20 ± 0.01

 Serena (1.2)

172

0.48 ± 0.01

0.05 ± 0.00

0.45 ± 0.01

0.24 ± 0.01

0.23 ± 0.01

 Coquimbo (3.1)

182

0.48 ± 0.01

0.06 ± 0.00

0.45 ± 0.01

0.24 ± 0.01

0.22 ± 0.01

 Santiago public hospitals (28.3)

498

0.53 ± 0.01

0.04 ± 0.00

0.42 ± 0.00

0.18 ± 0.01

0.25 ± 0.01

 Santiago private centers (12.14)

432

0.60 ± 0.01

0.04 ± 0.00

0.34 ± 0.01

0.16 ± 0.01

0.20 ± 0.01

 Chillán (8.9)

442

0.54 ± 0.00

0.04 ± 0.00

0.42 ± 0.00

0.17 ± 0.01

0.25 ± 0.01

 Temuco (5.5)

509

0.47 ± 0.01

0.04 ± 0.00

0.49 ± 0.01

0.18 ± 0.01

0.31 ± 0.01

 Puerto Montt (4.7)

130

0.46 ± 0.01

0.03 ± 0.00

0.52 ± 0.01

0.17 ± 0.01

0.35 ± 0.01

 TRIOS

28

0.57 ± 0.02

0.04 ± 0.01

0.38 ± 0.02

0.18 ± 0.02

0.21 ± 0.02

 Total ChileGenomico**

2843

0.53 ± 0.14

0.04 ± 0.04

0.42 ± 0.14

0.18 ± 0.15

0.25 ± 0.13

  1. All values were estimated with K = 4, except the Amerindian ancestry in the central column which used K = 3
  2. * ChileGenomico Project **The total percentages of ancestry were calculated by a weighted average according to the fraction of the population that lives in each of the cities