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. Author manuscript; available in PMC: 2012 Dec 29.
Published in final edited form as: Neuroscience. 2011 Oct 14;199:166–176. doi: 10.1016/j.neuroscience.2011.10.009

Table 1b.

Mean (SD) Values for demographic, KBIT and fitness data for young adults and performance-matched children groups.

Children (perf matched) p-value (2-tailed)
Variable Young Adults
(YA)		 Lower-Fit
(LF)		 Higher-Fit
(HF)		 Young-
Children		 LF-HF
Children
N 26 14 14 -- --
Age 21.7 (2.1) 9.9 (.5) 9.8 (.6) <.001 NS
N Male (%) 9 (34.6%) 5 (35.7%) 8 (57.1%) NS NS
Tanner -- 1.6 (.5) 1.6 (.5) -- NS
K-BIT composite 108.1 (6.9) 118.4 (13.1) 117.9 (6.6) <.001 NS
VO2max
(ml/kg/min)		 40.5 (6.2) 37.0 (4.1) 53.6 (5.6) .05 <.001
VO2max Percentile 40.25 (24.7) 16.7 (19.5) 83.9 (5.6) NS <.001