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Table 1 Demographic and historical characteristics of the study population

From: Evolutionary aspects of non-metastatic breast cancer after primary treatment in a sub-Saharan African setting: a 16-year retrospective review at the Douala general hospital, Cameroon

Variable Category Frequency (%)
Gender Female 254(97.7)
Male 6(2.31)
   260(100)
Age at diagnosis(in years) 21–30 15(5.8)
31–40 59(22.7)
41–50 100(38.5)
51–60 47(18.1)
>60 39(15.0)
   260(100)
Age at menarche (years) <11 8(3.1)
  12–15 222(87.5)
  >15 24(9.4)
   254(100)
History of contraceptive pills Yes 25(9.8)
  No 229(90.2)
   254(100)
Parity ≤1 56(22.0)
  2–5 115(45.3)
  >5 83(32.7)
   254(100)
Menopause at diagnosis Yes 119(46.9)
  No 135(53.2)
   254(100)
Breastfeeding practice Yes 224(88.2)
  No 30(11.8)
   254(100)
Family History of breast cancer Yes 12(28.6)
  No 30(71.4)
   42(100)
  1. The entries in boldface/italics represent the total case files for which information on the relevant variable was available