Table 1.

Demographic Information

	TD (n=26)	SBM-NT (n=29)	SBM-TB (n=51)
Years of age at MRI (M[SD])	13.89 (5.70)	15.11 (5.78)	13.40 (4.00)
SES (M[SD])+,*	41.02 (10.36)	31.90 (14.14)	34.03 (12.68)
Gender (% Male)	62	48	57
Ethnicity (% of group)
Hispanic	58	59	53
Non-Hispanic	42	41	47
African American	11	3	14
Asian	8	0	0
Caucasian	19	38	31
Other	4	0	2
IQ (M[SD])*	102.92 (10.23)	88.34 (14.84)	80.25 (13.25)

⁺One SBM participant missing data for SES.

^*p<0.01.

M, mean; SD, standard deviation; SBM, spina bifida meningomyelocele; NT, normal appearing tectum; TB, tectal beaking; TD, typically developing; SES, socio-economic status; IQ, Stanford Binet Composite score; MRI, magnetic resonance imaging.