Table 2.

Power (casual SNP randomly distributed throughout whole genome)

p value threshold	No adjustment	Known strata	Standard PCA	Shrinkage PCA	Thinning PCA	Regression PCA
10−5	0.827	0.844	0.839	0.842	0.842	0.841
10−6	0.738	0.763	0.754	0.759	0.759	0.757
5 × 10−7	0.707	0.734	0.721	0.728	0.726	0.725
10−7	0.636	0.662	0.650	0.657	0.653	0.654

Columns 2–7: Each table entry represents the proportion of 10,000 simulations in which the causal SNP was rejected at the given p value threshold.