Table 1.

Characteristics of the gene evaluation and test sets

CharacteristicsGene evaluation set (n = 38), %Test set (n = 104), %P*
Size of tumor0.631
Nodal status0.912
Distant metastases0.675
UICC stage0.196
  • * P values for the comparison of numbers of patients were calculated by means of the χ2 test.

  • For one patient of the test set, tumor localization and information on TNM staging was not available.

  • For one patient of the gene evaluation set, tumor localization was unknown.

  • § Right colon includes cecum through transverse colon.

  • G3 left colon includes descending colon through rectum.

  • G3 includes all cases classified as G3 or as G2-G3.