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. 2016 Apr 7;40(4):304–314. doi: 10.1002/gepi.21965

Table 4.

Results from applied example

Primary association
All genetic variants with target exposure
Analysis method Estimate (SE) P‐valuea Estimate (SE) P‐valuea
Low‐density lipoprotein cholesterol (LDL‐c)
Inverse‐variance weighted 0.482 (0.060) *** 0.470 (0.055) ***
Simple median 0.429 (0.070) *** 0.429 (0.079) ***
Weighted median 0.458 (0.065) *** 0.457 (0.065) ***
Penalized weighted median 0.457 (0.063) *** 0.457 (0.067) ***
MR‐Egger regression: slope 0.617 (0.103) *** 0.562 (0.094) ***
intercept −0.009 (0.005) −0.006 (0.005)
High‐density lipoprotein cholesterol (HDL‐c)
Inverse‐variance weighted −0.254 (0.070) *** −0.137 (0.066) *
Simple median −0.267 (0.090) ** −0.224 (0.085) **
Weighted median −0.069 (0.071) −0.066 (0.065)
Penalized weighted median −0.071 (0.068) −0.064 (0.066)
MR‐Egger regression: slope −0.013 (0.115) 0.092 (0.107)
intercept −0.014 (0.005) * −0.013 (0.005) *
Triglycerides
Inverse‐variance weighted 0.416 (0.081) *** 0.417 (0.095) **
Simple median 0.512 (0.101) *** 0.565 (0.105) ***
Weighted median 0.516 (0.084) *** 0.521 (0.087) ***
Penalized weighted median 0.528 (0.078) *** 0.539 (0.089) ***
MR‐Egger regression: slope 0.422 (0.140) ** 0.464 (0.155) **
intercept −0.000 (0.008) −0.004 (0.009)

Estimates (standard errors) of causal effects of lipid fractions on coronary artery disease risk. Estimates are log odds ratios per 1 standard deviation increase in the exposure. The intercept term in MR‐Egger regression provides a test of directional pleiotropy.

a P‐values are indicated as: *P<0.05, **P<0.01, ***P<0.0001.