TABLE 3:

EEG, clinical MR imaging, and ¹H-MRS lateralization based on asymmetry factors (AF) and combined scores (CS) of |NAA| and NAA/(Cr+Cho) in 15 patients with TLE

Case (no.)	EEG	MR Imaging	Engel classification	¹H-MRS	PRESS AF		Multisection CS_AF		CS_\|NAA\|		CS_RATIO
Case (no.)	EEG	MR Imaging	Engel classification	¹H-MRS	\|NAA\|	Ratio	\|NAA\|	Ratio	Ipsilateral	Contralateral	Ipsilateral	Contralateral
1	right	right hippo	1	right	−25.9	−33.5	−8.6	−2.5	0.9	0.9	1.3	1.3
2	right	right hippo	1	right	−9.0	1.6	−3.4	−21	0.9	0.9	1.2	1.5
3	right	right hippo	1	right	−27.2	−31.2	−31.4	−39.0	0.6	0.8	0.8	1.2
4	left	left	1	left	−25.0	−3.2	−19.0	−15.9	0.9	1.1	1.3	1.5
5	left	left	2	left	2.6	8.7	−27.8	−42.8	1.0	1.3	1.2	1.9
6	left	left	1	left	−13.1	−19.7	−34.2	−34.7	0.8	1.2	1.0	1.4
7	left	left	1	left	2.4	−14.8	−28.7	−29.9	0.8	1.0	1.0	1.3
8	left	left	1	Non-lat	−1.5	−6.4	−13.4	−8.1	1.0	1.1	1.3	1.5
9	left	left	3	left	−11.5	−6.9	−26.5	−17.0	0.8	1.1	1.1	1.3
10	left	left	1	left	−29.7	−23.0	−5.7	−20.6	1.0	1.0	1.3	1.6
11	left	left	2	left	−6.5	−12.0	−36.8	−30.0	0.8	1.2	1.0	1.4
12	left	left	2	left	2.3	13.8	−23.0	−8.8	0.7	0.8	1.0	1.1
13	left	normal	1	right	−6.3	3.8	−12.9	18.4	1.1	1.3	1.6	1.3
14	left	normal	1	left	5.6	2.2	−7.5	−6.5	0.9	1.0	1.2	1.3
15	left	normal	1	Non-lat	−7.5	−14.0	−11.6	−10.8	1.1	1.2	1.5	1.7

Note.—Negative AFs and CS_AFs indicate lower |NAA| or ratio on the ipsilateral side. Bold characters denote values above 2 SD of the mean of hippocampal values.