The INSIG2 rs7566605 polymorphism is not associated with body mass index and breast cancer risk

BMC Cancer

Table 1 Baseline characteristics of BC cases and controls.

Variable	Cases	Controls*
Subjects with genotypes	1,500	2,473
Women with carcinoma in situ	108^a	206^a
Incomplete matched sets	123	125
Complete match-sets excluding carcinoma in situ	1,269	2,194
Pre-menopausal women	388	738
Peri-menopausal women	138	221
Post-menopausal women	974	1,514
Mean age at blood donation	55.2 (40.7-67.5)^b	54.8 (40.1-68.1)^b
Mean age at diagnosis	57.5 (43.5-70.0)^b	-
Height	161.4 (151.0-172.0)^b	160.7 (150.0-172.0)^b
Weight	67.6 (51.7-89.0)^b	67.3 (51.0-89.5)^b
Body mass index	26.0 (20.3-34.5)^b	26.1 (20.1-35.0)^b

^a Subjects with carcinomas in situ and their matched controls were not included in the BC risk analysis
^b Mean (5th - 95th percentiles)
*52 duplicated controls are included in this total

ISSN: 1471-2407