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Table 3 Odds ratio (OR) and 95% confidence interval (CI) of breast cancer by the tertile distribution of plasma total homocysteine, with stratification according to menopausal status

From: Plasma homocysteine levels and genetic polymorphisms in folate metablism are associated with breast cancer risk in chinese women

Stratified variablea,b Plasma total Hcy (μ mol/L)
  1st 2nd 3rd p
Menopausal status     
Pre-menopausal     <0.001
Cases/controls 8/20 4/19 57/25  
ORc (95% CIc) 1.0(reference) 0.53(0.2-1.1) 5.7(2.7-8.8)  
Post-menopausal     <0.001
Cases/controls 8/8 7/11 12/2  
ORc (95% CIc) 1.0(reference) 0.64(0.2-1.5) 6(3.1-8.2)  
  1. aThe total number of cases and controls does not correspond because of missing data.
  2. bVariables were categorized based on the tertile distribution among control subjects.
  3. cOR, odd ratio; CI, confidence interval.
  4. cAdjustment for age at enrollment and duration of fasting.