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. 2019 May 30;14(5):e0217390. doi: 10.1371/journal.pone.0217390

Table 6. Test for publication bias.

Begg Mazumdar correlation test
Group/subgroup Genetic component Outlier status n Kendall τ P-value
Overall R PRO 44 -0.08 0.45
Overall R PSO 38 -0.10 0.39
Western R PRO 31 -0.03 0.84
Western R PSO 28 -0.09 0.52
Male RX PSO 20 -0.05 0.75

R: common allele; RX: heterozygous genotype; PRO: pre-outlier; PSO: post-outlier; n: number of studies