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Table 2 Comparison of food and energy intake of the study subjects

From: Fatty fish and fish omega-3 fatty acid intakes decrease the breast cancer risk: a case-control study

  Total Premenopausal women Postmenopausal women
  Control Case P Control Case p Control Case P
  (n = 360) (n = 358)   (n = 196) (n = 210)   (n = 164) (n = 148)  
Total fish (g/day) 24.1 ± 21.1/17.5 21.8 ± 21.3/15.5 0.012 22.9 ± 18.1/18.2 21.7 ± 21.1/14.8 0.214 25.6 ± 24.1/17.1 22.0 ± 21.8/16.2 0.022
   Lean fish 12.0 ± 11.2/8.5 14.1 ± 14.9/9.2 0.916 10.6 ± 8.5/8.3 13.4 ± 14.1/8.5 0.494 13.6 ± 13.6/9.4 15.1 ± 16.1/10.5 0.637
   Fatty fish 12.1 ± 13.4/8.1 7.6 ± 9.7/4.5 < 0.001 12.3 ± 13.1/8.7 8.2 ± 10.3/5.0 < 0.001 11.9 ± 13.9/6.3 6.8 ± 8.8/3.6 < 0.001
   ω-3 fatty acid (g/day) 0.228 ± 0.278/0.143 0.168 ± 0.227/0.090 < 0.001 0.216 ± 0.294/0.128 0.179 ± 0.244/0.098 0.089 0.242 ± 0.259/0.157 0.152 ± 0.201/0.079 < 0.001
   EPA(20:5n-3) 0.085 ± 0.147/0.041 0.054 ± 0.089/0.025 < 0.001 0.083 ± 0.172/0.035 0.057 ± 0.098/0.027 0.017 0.089 ± 0.111/0.044 0.050 ± 0.075/0.022 < 0.001
   DHA(22:6n-3) 0.174 ± 0.261/0.092 0.115 ± 0.174/0.056 < 0.001 0.166 ± 0.296/0.082 0.123 ± 0.192/0.061 0.084 0.184 ± 0.213/0.105 0.104 ± 0.146/0.051 < 0.001
Energy (kcal/day) 1752.5 ± 548.5 1813.8 ± 492.9 0.032 1797.6 ± 574.9 1811.1 ± 460.8 0.353 1698.5 ± 511.6 1817.8 ± 536.8 0.039
  1. Data are presented as mean ± standard deviation/median.
  2. EPA: Eicosapentaenoic acid, DHA: Docosahexaenoic acid