Skip to main content

Table 4 Characteristics of the classification trees constructed on the CRC 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 (32) m/z 15930 ≤ 35.576 m/z 51034 ≤ 1.372 68.8 62.8
  Common (25) m/z 15930 ≤ 35.576 m/z 51034 ≤ 1.372 68.8 62.8
1b All (27) m/z 32308 ≤ 0.676 - - 75.6 73.8
  Common (25) m/z 32308 ≤ 0.676 - - 75.6 73.8
2 All (48) m/z 4446 ≤ 1.136 - - 82.2 90.5
  Common (25) m/z 32394 ≤ 0.149 - - 73.3 81.0
  1. * tree performance as determined by 10-fold cross validation, sens: sensitivity, spec: specificity