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. Author manuscript; available in PMC: 2015 Jun 8.
Published in final edited form as: Brain Dev. 2007 Jan 3;29(7):389–399. doi: 10.1016/j.braindev.2006.11.006

TABLE 1.

Descriptive and demographic variable summary for each group
Autism n = 33 Normal Control n = 24 Reading Disorder (RD) n = 24
Mean (SD) Mean (SD) Mean (SD)
Age at Scan 13.94 (5.97) 13.29 (5.15) 14.21 (6.22)
PIQ 97.14 (19.54) 100.22 (12.70) 101.33 (12.25)
Standardized HC 0.49 (1.01) 0.25 (1.09) 0.11 (1.31)
Handedness 62.10 (59.48) 61.82 (66.95) 79.05 (44.03)
TICV 1472.60 (114.28) 1477.06 (111.57) 1443.08 (105.83)
TBV 1354.14 (118.56) 1367.15 (109.06) 1341.91 (107.65)

Legend: SD = standard deviation; PIQ = performance IQ; TICV = total intracranial volume; HC = head circumference; TBV = total brain volume.