Average percent ancestry (SD) by number of grandparents born in major regions of Argentina, Europe or other Latin American countries.

AMBA = Buenos Aires Metropolitan Area.NWE = Northwest.NEA = Northeast.South America = Origin from other South American Countries.*P value for Kruskal-Wallis equality of populations rank test evaluating the significance of the difference in mean Indigenous American/European ancestry between the 0 to 4 origin of grandparent categories for each region.

AMBA即布宜诺斯艾利斯都会区（Buenos Aires Metropolitan Area）；NWE为西北（Northwest）；NEA为东北（Northeast）；此处的“南美洲（South America）”指源自其他南美国家的样本。*该P值对应克鲁斯卡尔-沃利斯总体秩相等检验（Kruskal-Wallis equality of populations rank test），用于检验各区域的0至4代祖父母起源分类下，原住民美洲血统与欧洲血统均值差异的显著性。