In older age, fish oil consumption was associated with reduced risk of advanced PCa (HR = 0.43; 95% CI: 0.19-0.95) and high consumption of salted and smoked fish with increased risk of advanced PCa (HR = 2.28; 95% CI: 1.04-5.00).
Á efri árum var reglubundin lýsisneysla tengd minni áhættu á langt gengnu BHK (HR = 0.43; 95% CI: 0.19-0.95) og tíð neysla á söltuðum og reyktum fiski tengdist aukinni áhættu á BHK (HR = 2.28; 95% CI: 1.04-5.00).