Table 1.- Variants (SNPs) included in the PRS calculation
(Disease/Trait: Marginal_zone_lymphoma)
rsID	Risk allele	Effect size
rs76788097	G	0.425
rs76588427	A	0.718
Effect size: LN(OR)

Table 2.- PRS Score distribution among populations and regions
(Disease/Trait: Marginal_zone_lymphoma)
	count	mean	sd	se	lower.ci	upper.ci
Pyrenean regions
WEST	168	0.025	0.052	0.004	0.017	0.033
SOUTH	83	0.030	0.053	0.006	0.019	0.042
EAST	146	0.020	0.048	0.004	0.012	0.028
Populations
IBS	107	0.037	0.071	0.007	0.024	0.051
PIR	397	0.024	0.051	0.003	0.019	0.029

Table 3.- Pairwise t-test for PRS score among populations and regions
(Disease/Trait: Marginal_zone_lymphoma)
group1	group2	n1	n2	p	p.signif	p.adj	p.adj.signif
IBS	PIR	107	397	0.0252	*	0.252	ns
IBS	WEST	107	168	0.0664	ns	0.664	ns
IBS	SOUTH	107	83	0.3720	ns	1.000	ns
IBS	EAST	107	146	0.0101	*	0.101	ns
WEST	SOUTH	168	83	0.4710	ns	1.000	ns
WEST	EAST	168	146	0.3730	ns	1.000	ns
SOUTH	EAST	83	146	0.1510	ns	1.000	ns
* p < .05, ** p < .01, *** p < .001

Table 4.- Chi-square test comparison of percentile counts on Pyrenean regions compared to Iberian peninsula population
(Disease/Trait: Marginal_zone_lymphoma)
Percentile rank	PIR				WEST				SOUTH				EAST
	adj.std.val	p.value	sig.val		adj.std.val	p.value	sig.val		adj.std.val	p.value	sig.val		adj.std.val	p.value	sig.val
pct95	−2.470	0.014	*		−3.000	0.003	**		−2.470	0.014	*		−2.400	0.016	*
pct75.95	2.160	0.031	*		1.270	0.204	.	white	2.160	0.031	*		−0.120	0.904	.	white
pct50.75	0.000	1.000	.	white	0.000	1.000	.	white	0.000	1.000	.	white	0.000	1.000	.	white
pct25.50	0.000	1.000	.	white	0.000	1.000	.	white	0.000	1.000	.	white	0.000	1.000	.	white
pct25	−0.350	0.726	.	white	0.670	0.503	.	white	−0.350	0.726	.	white	1.700	0.089	.	white
adj.std.val: Adjusted standardized residuals value; p.value: P value; sig.val: statistical significance, * p < .05, ** p < .01, *** p < .001; red dash to bottom: lower counts than reference; green dash to up: upper counts than reference