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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)NEuropeanAfricanAmerindianAymaraMapuche
Reference populations
 CEU300.97 ± 0.010.02 ± 0.000.00 ± 0.000.01 ± 0.000.00 ± 0.00
 YRI300.00 ± 0.000.99 ± 0.000.00 ± 0.000.00 ± 0.000.00 ± 0.00
 PUNO300.02 ± 0.000.00 ± 0.000.92 ± 0.010.83 ± 0.020.15 ± 0.02
 CLS300.01 ± 0.010.01 ± 0.000.98 ± 0.010.16 ± 0.010.82 ± 0.02
ChileGenomico samples*
 Arica (1.3)2390.41 ± 0.010.05 ± 0.000.50 ± 0.010.36 ± 0.020.18 ± 0.01
 Iquique (1.9)2110.45 ± 0.010.05 ± 0.000.47 ± 0.010.30 ± 0.010.20 ± 0.01
 Serena (1.2)1720.48 ± 0.010.05 ± 0.000.45 ± 0.010.24 ± 0.010.23 ± 0.01
 Coquimbo (3.1)1820.48 ± 0.010.06 ± 0.000.45 ± 0.010.24 ± 0.010.22 ± 0.01
 Santiago public hospitals (28.3)4980.53 ± 0.010.04 ± 0.000.42 ± 0.000.18 ± 0.010.25 ± 0.01
 Santiago private centers (12.14)4320.60 ± 0.010.04 ± 0.000.34 ± 0.010.16 ± 0.010.20 ± 0.01
 Chillán (8.9)4420.54 ± 0.000.04 ± 0.000.42 ± 0.000.17 ± 0.010.25 ± 0.01
 Temuco (5.5)5090.47 ± 0.010.04 ± 0.000.49 ± 0.010.18 ± 0.010.31 ± 0.01
 Puerto Montt (4.7)1300.46 ± 0.010.03 ± 0.000.52 ± 0.010.17 ± 0.010.35 ± 0.01
 TRIOS280.57 ± 0.020.04 ± 0.010.38 ± 0.020.18 ± 0.020.21 ± 0.02
 Total ChileGenomico**28430.53 ± 0.140.04 ± 0.040.42 ± 0.140.18 ± 0.150.25 ± 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