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Table 3 Marginally significant p-values before and after principal component correction

From: Comparison of multimarker logistic regression models, with application to a genomewide scan of schizophrenia

Model # marginally significant p-values without PC adjustment # marginally significant p-values with PC adjustment
Main-effects 111 82
Main+adj 105 76
Haplotype 58 48
  1. Number of p-values < × 10-4 for each model with and without principal components.