Table 3:

Relationship between FA (%) and WMSA*

Brain Region	WMSA on MRI			P Values
Brain Region	Normal (n = 39)	Focal (n = 59)	Extensive (n = 13)	Overall	Normal vs Focal^†	Normal vs Extensive^†	Focal vs Extensive^†
Inferior frontal
Right	15.1 (4.62)	13.35 (4.87)	9.14 (6.80)	.002^‡	.29	.001^‡	.02^‡
Left	16.71 (4.53)	14.10 (4.96)	13.82 (6.73)	.15	.33	.10	.99
Inferior occipital
Right	18.15 (4.78)	16.35 (4.32)	15.56 (4.53)	.09	.17	.23	.99
Left	18.53 (5.41)	17.34 (5.65)	15.42 (2.78)	.18	.84	.21	.73
Internal capsule
Right	51.01 (4.39)	50.46 (4.08)	43.95 (7.62)	<.001^‡	.99	<.001^‡	<.001^‡
Left	48.85 (5.62)	48.36 (4.32)	43.51 (7.69)	.006^‡	.99	.006^‡	.01^‡
Superior frontal
Right	14.24 (3.89)	12.71 (3.34)	13.02 (5.43)	.15	.16	.96	.99
Left	15.82 (4.34)	13.93 (4.19)	13.68 (4.78)	.08	.11	.37	.99
Sensorimotor
Right	21.50 (7.78)	19.74 (7.50)	16.65 (5.00))	.12	.75	.13	.52
Left	20.82 (7.22)	19.64 (6.52)	18.10 (4.07	.40	.99	.60	.99
Superior occipital
Right	16.69 (5.45)	16.51 (3.99)	12.22 (5.60)	.01^‡	.99	.01^‡	.01^‡
Left	16.16 (4.31)	15.92 (4.04)	13.73 (5.31)	.20	.99	.24	.30

Note:—FA indicates fractional anisotropy.
* Values are mean (SD).
† P values after Bonferroni correction.
‡ Significant P values.