Two sample MR report


RBC distribution width (RDW) against Amyotrophic lateral sclerosis || id:ieu-a-1085

Date: 03 January, 2026


Results from two sample MR:

method nsnp b se pval
MR Egger 4 -0.2712454 0.3105696 0.4745526
Weighted median 4 -0.2459515 0.1026414 0.0165650
Inverse variance weighted 4 -0.2144419 0.1038034 0.0388429
Simple mode 4 -0.3801305 0.1611891 0.0995542
Weighted mode 4 -0.2346017 0.1171841 0.1390573

Heterogeneity tests

method Q Q_df Q_pval
MR Egger 4.047139 2 0.1321828
Inverse variance weighted 4.128140 3 0.2479556

Test for directional horizontal pleiotropy

egger_intercept se pval
0.001424 0.0071173 0.8599226

Test that the exposure is upstream of the outcome

snp_r2.exposure snp_r2.outcome correct_causal_direction steiger_pval
2e-07 0 TRUE 0.9534698

Note - R^2 values are approximate


Forest plot of single SNP MR

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Comparison of results using different MR methods

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Funnel plot

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Leave-one-out sensitivity analysis

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