Posterior Cingulate Lactate as a Metabolic Biomarker in Amnestic Mild Cognitive Impairment

Table 1

Subject demographics, clinical assessment, and lactate MRS outcomes.

Subject	Gender	Age	Handedness^*	MMSE	ADAS-Cog^$	PPC MRS voxel
						Lactate (mM)	Proportion tissue types
							GM	WM	CSF
MCI1	M	89	Left	23	11.67	0.795	0.34	0.37	0.29
MCI2	F	94	Right	28	9	0.713	0.37	0.33	0.3
MCI3	M	86	Right	21	12.67	0.709	0.31	0.41	0.28
MCI4	F	82	Right	30	11.67	0.587	0.35	0.37	0.27
MCI5	F	87	Right	22	10.33	0.725	0.3	0.46	0.24
MCI6	F	86	Right	26	9.33	0.490	0.35	0.4	0.25
MCI7	F	83	Right	25	8.67	0.871	0.33	0.4	0.28
MCI8	M	79	Right	26	10.33	0.686	0.4	0.41	0.19
MCI9	F	80	Right	29	10.33	0.222	0.36	0.48	0.16
MCI10	F	87	Right	29	8.33	0.163	0.34	0.4	0.25
MCI11	F	82	Right	25	9.33	0.527	0.36	0.39	0.21
MCI12	F	85	Right	28	9	0.483	0.39	0.4	0.21
MCI13	F	82	Right	27	8.67	0.359	0.33	0.46	0.21
MCI14	M	88	Right	27	8.67	0.987	0.35	0.38	0.27
MCI15	M	93	Right	29	9.67	0.491	0.34	0.38	0.26

 ^*Based on self-report.
MMSE: minimental state examination.
^$Total (combined) score.
GM: grey matter; WM: white matter; CSF: cerebral spinal fluid.