The omega-3 group received 6 soft-gel capsules of fish oil ( 180mg eicosapentaenoic acid and 120mg docosahexaenoic acid in each ) daily for 4months , and the placebo group received corresponding paraffin oil capsules.Nutrition indices including body mass index ; mid-arm muscle circumference ; serum concentrations of albumin , prealbumin , and transferrin ; and serum levels of inflammatory/anti-inflammatory markers including interleukin ( IL ) -6 , IL-10 , tumor necrosis factor ( TNF ) - , C-reactive protein , ferritin , parathyroid hormone , and ratios of IL-10 to TNF - and IL-10 to IL-6 were measured before and after 4months of intervention .