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Table 5 Characteristics of the classification trees constructed on the BC sample set

From: Comparing the old and new generation SELDI-TOF MS: implications for serum protein profiling

Tree characteristics: Tree performance*:
Data set Clusters (#) Node 1   Node 2   Sens (%) Spec (%)
1a All (81) m/z 3964 ≤ 4.010 - - 74.4 73.9
  Common (28) m/z 3964 ≤ 4.010 - - 74.4 73.9
1b All (31) m/z 3964 ≤ 3.855 - - 83.7 78.3
  Common (28) m/z 3964 ≤ 3.855 - - 83.7 78.3
2 All (59) m/z 9151 ≤ 1.614 m/z 5360 ≤ 17.856 72.1 78.3
  Common (28) m/z 3979 ≤ 32.163 m/z 4218 ≤ 4.648 62.8 71.7
  1. * tree performance as determined by 10-fold cross validation, sens: sensitivity, spec: specificity