. 2014 May 10;5:33. doi: 10.1186/2040-2392-5-33

Table 3.

Demographic data associated with raphe brain-tissue samples

	Control ( n = 11)	Autism ( n = 7)	P value
Age (years) (range)	14.45 (8–29)	14.57 (8–27)	NS^a
Race, n (%)	Caucasian 7 (63.6), African-American 4 (36.4)	Caucasian 3 (42.9), African-American 2 (28.6), NA 2 (28.6)	NS^b
Gender, n (%)	Male 7 (63.6), Female 4 (36.4)	Male 6 (85.7), Female 1 (14.3)	NS^b
Post-mortem interval (hours) (range)	14.82 (5–20)	18.05 (8.3-50)	NS^a

^aDerived from Mann–Whitney U test, ^bDerived from Fisher’s exact test.

NA, not available; NS, not significant.