Table 1 Description of the six metabolic risk factors with available genetic data from GWAS.

From: Mendelian randomization analysis revealed potential metabolic causal factors for breast cancer

Risk factor

Number of SNPs

Study reference

Sample size

Population

Year

BMI

941

Yengo et al.38

681,275

European

2018

BMI female

12

Randall et al.39

67,957

European

2013

Height

697

Wood et al.40

253,288

European

2014

Height female

323

Randall et al.39

67,957

European

2013

T2D

139

Xue et al.41

655,666

European

2018

T2D female

14

Morris et al.42

149,821

European

2012

HDL

534

Richardson et al.43

403,943

European

2020

HDL female

323

Kanoni et al.44

565,724

European

2022

LDL

220

Richardson et al. 43

440,546

European

2020

LDL female

281

Kanoni et al.44

558,498

European

2022

TG

313

Richardson et al. 43

441,016

European

2020

TG female

296

Kanoni et al.44

558,498

European

2022