a Comparisons between Global Deterioration Scale (GDS) 1–3 and GDS 4–7 using Student's t-test. Log (x+1) transformation was applied prior to comparisons. b Brain tissue from two subjects was not available for vitamin K measures. SFA, saturated fatty acid; MUFA, monounsaturated fatty acid; PUFA, polyunsaturated fatty acid; trans-FA, trans-fatty acid.