for the Clinical Trials Cooperative Groups in 1997. Although the proportions of cases of cancer among ethnic minority patients during the period of trial enrollment were not provided by NCI, enrollment data are presented here for purposes of comparison across trial groups. Where data on expected incidences are available, these are reported, but the committee urges caution in their interpretation. Percent accrual of ethnic minorities in each trial group in 1997 is depicted in Figures 5-1 and 5-2.
Among the pediatric clinical trial groups, both CCG and POG appear to have high levels of representation of ethnic minority patients on the basis of 1997 enrollment data. Among the 2,300 children enrolled in CCG,