. Author manuscript; available in PMC: 2013 Nov 5.

Published in final edited form as: Neurosurg Focus. 2013 Apr;34(4):10.3171/2013.2.FOCUS12410. doi: 10.3171/2013.2.FOCUS12410

Table 1.

Relationship between LAD and patient characteristics for motor and language subsets

	< 1 cm	1–2cm	> 2 cm	P Value

Motor (SMA) subset
No. of subjects	8	11	33	< 0.001
Gender (% Male)	100	82	64	0.10
Handedness (% Right)	100	100	87	0.75
Mean Age ± SD (yr)	31.9 ± 8.8	41.6 ± 19.0	48.8 ± 14.0	0.017
Grade III or IV tumors (%)	67	29	67	0.25
Language (pSMA) subset
No. of subjects	4	10	58	< 0.001
Gender (% Male)	100	80	66	0.37
Handedness (% Right)	100	88	79	0.99
Mean Age ± SD (yr)	42.2 ± 12.0	39.5 ± 13.2	49.1 ± 15.2	0.73
Grade III or IV tumors (%)	100	50	47	0.61