Table 2

Mean serum fatty acid composition (%) of prostate cancer cases and controls

Cases (n = 198)Controls (n = 198)Case-controlb
Meana(SE)Meana(SE)DifferenceaPa
Myristic acid, C14:01.23(0.02)1.18(0.02)0.050.10
Palmitic acid, C16:012.84(0.08)12.69(0.07)0.150.15
Palmitoleic acid, C16:1 n-74.96(0.14)4.80(0.12)0.160.38
Stearic acid, C18:01.30(0.03)1.32(0.02)−0.020.56
cis-Vaccenic acid, C18:1 n-71.25(0.02)1.253(0.014)−0.0060.75
Oleic acid, C18:1 n-922.5(0.3)22.3(0.2)0.20.58
Linoleic acid, C18:2 n-646.4(0.5)47.1(0.4)−0.70.22
α-Linolenic acid, C18:3 n-30.70(0.02)0.70(0.02)0.000.95
γ-Linolenic acid, C18:3 n-60.73(0.02)0.70(0.02)0.030.23
Dihomo-γ-linolenic acid, C20:3 n-60.617(0.009)0.615(0.010)0.0020.89
Arachidonic acid, C20:4 n-64.99(0.08)4.87(0.06)0.130.19
Eicosapentaenoic acid, C20:5 n-31.76(0.07)1.70(0.06)0.060.50
Docosahexaenoic acid, C22:6 n-30.80(0.02)0.81(0.02)0.000.87
  • a Unadjusted values. The results were similar after adjustment for area of residence (urban/rural), education, body mass index, alcohol consumption, and the number of years of smoking.

  • b t test in matched sets.