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Figure 1 | BMC Medical Genetics

Figure 1

From: Candidate gene analysis of spontaneous preterm delivery: New insights from re-analysis of a case-control study using case-parent triads and control-mother dyads

Figure 1

Fetal results. QQ-plots showing the most significant fetal genes for the different designs. A) Single locus, case-parent triad. B) Haplotype, case-parent triad. C) Single locus, hybrid. D) Haplotype, hybrid. The observed p-values for each gene are plotted against the expected p-values. If there is no effect of the genes, the p-values will be positioned on the straight line. The grey area along the straight line shows the point-wise confidence interval for the expected p-values. Correction for multiple testing was performed within each gene. There have been done no adjustments for covariates in the hybrid analysis.

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