Skip to main content

Table 1 The basic characteristics of cases and controls

From: Genetic polymorphisms of estrogen receptor genes are associated with breast cancer susceptibility in Chinese women

Characteristics Cases (459) Controls (549) P-value
Age (mean ± SD) 49.09 ± 11.02 48.80 ± 8.28 0.610
Menopausal status 0.376
Premenopausal 237 267
Postmenopausal 222 282
Procreative times 0.657
< 2 242 298
≥ 2 217 251
BMI (kg/m2, mean ± SD) 23.06 ± 2.92 22.45 ± 2.53 0.274
  1. BMI body mass index