Table 1 Clinical characteristics of the patients.
Patient Sex Age
(yrs)		 Time of treatment
(wks)		 Risk
factor		 Treatment
protocol		 BMI
(kg.m-2)		 BMI
percentile*		 VO2peak
(ml.kg.min-1)
I F 11 116 High PROP-II-97 19.5 50-75 33.1
II M 6 45 Low GBTLI-99 21.7 50-75 25.8
III F 16 30 High PROP-II-97 24.8 75-85 27.6
IV F 14 98 High PROP-II-97 16.1 75-85 31.4
V F 9 91 Low GBTLI-99 16.2 25-50 28.9
VI M 6 78 Low GBTLI-99 21.5 >95 18.1
*according to National Center for Health Statistics percentiles.
F=female; M=male; PROP-II-97=treatment protocol for children with leukemia at high risk (see the methods section for more details); GBTLI-99=treatment protocol for children with leukemia at low risk (see the methods section for more details); BMI=body mass index.