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Table 10: Discriminant analysis classification results (93.3% of original grouped cases correctly classified; 91.9% of cross-validated grouped cases correctly classified).

Predicted group membership Totalcode Normal Borderline Abnormal Original Count normal 88 4 0 92 borderline 11 28 3 42 abnormal 0 2 162 164 % normal 95.7 4.3 .0 100.0 borderline 26.2 66.7 7.1 100.0 abnormal .0 1.2 98.8 100.0 Cross-validateda Count normal 87 5 0 92 borderline 12 26 4 42 abnormal 0 3 161 164 % normal 94.6 5.4 .0 100.0 borderline 28.6 61.9 9.5 100.0 abnormal .0 1.8 98.2 100.0

aCross-validation is done only for those cases in the analysis. In cross validation, each case is classified by the functions derived from all cases other than that case.