Table 1.

Demographics and participant characteristics, by PET scanner.

	Scanner 1: HRRT (n = 17)	Scanner 2: PET/CT (n = 19)	t(df), p
Age
Min-Max	33–64	22–60	–
Mean ± SD	48.41 ± 9.60	39.31 ± 12.83	2.39(34), 0.023
Sex
n, Female (%)	7 (41)	6 (32)	0.062(1), 0.801a
BMI
Min-Max	21–39	21–33	–
Mean ± SD	27.19 ± 5.09	28.24 ± 3.28	0.74(34), 0.463
IQ
Min-Max	79–139	97–129	–
Mean ± SD	122.35 ± 15.80	110.05 ± 11.58	2.64(34), 0.011
Race
n, White (%)	11 (65)	5 (26)	7.16(3), 0.067a
n, Black/AA (%)	6 (35)	10 (53)	–
n, Asian (%)	0 (0)	2 (11)	–
n, Other (%)	0 (0)	2 (11)	–

BMI body-mass index, IQ intelligence quotient, SD standard deviation.

^aχ² test-statistic.