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Table 4 Summarized results of validation on the test cohort.

From: Predictors of primary breast cancers responsiveness to preoperative Epirubicin/Cyclophosphamide-based chemotherapy: translation of microarray data into clinically useful predictive signatures

  Predicted response k-NN Predicted response PLS-DA; model 1 Predicted response PLS-DA; model 2
predicted CR 7 9 10
other 20 18 17
predicted PR 9 4 9
other 18 23 18
predicted NC 11 14 8
other 16 13 19
Sensitivity CR 100 100 100
Specificity CR 87 78 74
PPV 57 44 40
NPV 100 100 100
Sensitivity PR 53 24 35
Specificity PR 100 100 100
PPV 100 100 67
NPV 56 43 39
Sensitivity NC 100 100 50
Specificity NC 76 62 76
PPV 55 43 38
NPV 100 100 84