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. 2017 Sep 9;60(11):2210–2220. doi: 10.1007/s00125-017-4396-y

Table 3.

 MR estimates of BMI (SD, 1 SD = 4.5 kg/m2) on cardiovascular risk factors and CHD

Exposure: BMI (n = 322,154) Effect estimate 95% CI p value
CHD (n = 60,801 case and 123,504 control participants)a
 IVW 1.45 1.27, 1.66 < 0.001
 Weighted-median 1.44 1.24, 1.67 < 0.001
 MR-Egger regression
  Slope 1.55 1.26, 1.91 < 0.001
  Intercept (directional pleiotropy) 1.00 0.99, 1.00 0.50
Type 2 diabetes mellitus (n = 34,840 case and 114,981 control participants)a
 IVW 1.96 1.35, 2.83 < 0.001
 Weighted-median 2.63 2.16, 3.21 < 0.001
 MR-Egger regression
  Slope 3.42 2.63, 4.46 < 0.001
  Intercept (directional pleiotropy) 0.98 0.98, 0.99 < 0.001
Fasting glucose, mmol/l (n = 46,186)b
 IVW 0.07 0.03, 0.11 < 0.001
 Weighted-median 0.08 0.05, 0.12 < 0.001
 MR-Egger regression
  Slope 0.09 0.036, 0.15 < 0.001
  Intercept −0.0007 −0.002, 0.001 0.37
HbA1c, % (n = 46,368)b
 IVW 0.05 0.01, 0.08 0.005
 Weighted-median 0.09 0.04, 0.14 < 0.001
 MR-Egger regression
  Slope 0.09 0.008, 0.16 0.03
  Intercept −0.001 −0.003, 0.001 0.31
Fasting insulin, log-pmol/l (n = 38,238)b
 IVW 0.18 0.14, 0.22 < 0.001
 Weighted-median 0.18 0.12, 0.24 < 0.001
 MR-Egger regression
  Slope 0.16 0.07, 0.25 < 0.001
  Intercept 0.0007 −0.002, 0.003 0.60
LDL-cholesterol, SD (1 SD = 1.0 mmol/l) (n = 188,577)b
 IVW −0.05 −0.19, 0.09 0.50
 Weighted-median −0.01 −0.08, 0.05 0.66
 MR-Egger regression
  Slope −0.10 −0.184, − 0.02 0.02
  Intercept 0.0016 −0.001, 0.004 0.19
HDL-cholesterol, SD (1 SD = 0.40 mmol/l) (n = 188,577)b
 IVW −0.23 −0.32, −0.15 < 0.001
 Weighted-median −0.21 −0.27, −0.16 < 0.001
 MR-Egger regression
  Slope −0.23 −0.307, −0.15 < 0.001
  Intercept −0.0001 −0.002, 0.002 0.90
Triacylglycerol, SD (1 SD = 1.024 mmol/l) (n = 188,577)b
 IVW 0.20 0.14, 0.26 < 0.001
 Weighted-median 0.21 0.15, 0.27 < 0.001
 MR-Egger regression
  Slope 0.17 0.09, 0.24 < 0.001
  Intercept 0.001 −0.001, 0.003 0.37

aBinary outcome—effect estimate is the OR for a 1 SD increase in BMI

bContinuously measured outcome—effect estimate is the difference in mean in the unit provided in column 1 for a 1 SD increase in BMI