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. 2004 Apr 27;90(10):1933–1941. doi: 10.1038/sj.bjc.6601826

Table 5. Decision tree performance.

    Actual outcome
    Good Poor
Predicted by Good 61 20
Decision tree Poor 3 25
  Total 64 45

Odds ratio 25, 95% confidence interval (7, 93). This table refers to the decision tree for tamoxifen-treated patients, shown in Figure 1. It incorporates the 17 patients excluded from the tree growing because of missing data. Their predictions are based on the data they do have. Misclassified cases are shown in bold.