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. 2017 Oct 9;7:12861. doi: 10.1038/s41598-017-13168-8

Table 2.

Results of the Mendelian Randomization analyses using different estimators.

Analysis Method OR 95% CI P-value P-value (intercept)
Inverse-Variance Weighted (IVW) 1.018 0.98–1.06 0.354
Weighted Median 1.044 0.98–1.12 0.200
MR-Egger regression 1.052 0.94–1.17 0.363 0.513

The intercept P-value can be interpreted as an estimate of the average (horizontal) pleiotropic effect across the genetic variants.