Table 1.

Disease and stage distribution of patient samples in the training and test studies.

Sample groupTraining set samplesTest set samples
TotalFemaleMaleMedian age, years (range)TotalFemaleMaleMedian age, years (range)
Colorectal cancer97336462.5 (37–87)90395165 (41–86)
 Stage I2251764 (47–79)1981166 (53–82)
 Stage II38211763 (37–87)40192166 (41–86)
 Stage III3462860 (40–86)27111660 (42–75)
 Stage IV31247 (45–62)41366 (53–73)
Control172878560 (40–87)155916454 (40–90)
Total269245