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Table 1 Demographic characteristics of the participants used in this study

From: A novel polymorphic repeat in the upstream regulatory region of the estrogen-induced gene EIG121 is not associated with the risk of developing breast or endometrial cancer

Characteristic Breast cancer (n = 223) Endometrial cancer (n = 204) Healthy controls (n = 220)
Sex All female All female All female
Age (at ascertainment; in years)
 Range N/A 40–92 67–86
 Median 68 73
 Mean (SD) 67.9 (9.5) 73.4 (4.6)
Age (at diagnosis; in years)
 Range 22–57 37–86 N/A
 Median 41 63.5
 Mean (SD) 39.8 (7.3) 63.2 (9.0)
BMI (in kg/m2)a    
 Range N/A 16.9–66.6 17.4–47.1
 Median 30.0 27.9
 Mean (SD) 31.3 (7.8) 28.5 (5.3)
 Underweight (BMI < 18.5)   n = 1 n = 1
 Normal (18.5 ≤ BMI < 25)   n = 37 n = 58
 Overweight (25 ≤ BMI < 30)   n = 56 n = 91
 Obese (BMI ≥ 30)   n = 94 n = 70
 Not specified   n = 16 n = 0
  1. a BMI body mass index