Sex steroid hormones and risk of breast cancer: a two-sample Mendelian randomization study

Breast Cancer Research

Table 1 Outcome data sets

Breast cancer subtype	N Case	N controls	Year	References
Overall BC risk	122,977	105,974	2017	[45]
ER + BC risk	69,501	105,974	2017	[45]
ER–BC risk	21,468	105,974	2017	[45]
Luminal A BC risk	7325	20,815	2020	[46]
Luminal B BC risk	1682	20,815	2020	[46]
Luminal B and HER2 negative	1779	20,815	2020	[46]
HER2 enriched	718	20,815	2020	[46]
Triple negative	2006	20,815	2020	[46]
BRCA1 mutated triple negative	18,016	100,971	2020	[46]

ISSN: 1465-542X