Table 6.

Classification and misclassification results of the pruned rpart tree with 9 terminal nodes as well as model performance indexes for three alternative models.

		Predicted Response Shift						Total
		Positive		No Change		Negative
Residual	Positive	117		4		40		161
Changes in	No Change	31		16		31		78
HRQOL	Negative	35		10		110		110
	Total	183		30		181		394
		Pairwise AUC						Overall AUC
		1	2	3	4	5	6
Rpart 24-node tree		0.83	0.9	0.87	0.83	0.90	0.87	0.86
Rpart 9-node tree		0.70	0.77	0.69	0.70	0.76	0.69	0.72
Multinomial logit		0.71	0.75	0.71	0.71	0.75	0.71	0.72

1: No Change vs. Positive

2: Negative vs. Positive

3: Negative vs. No Change

4: Positive vs. No Change

5: Positive vs. Negative

6: No Change vs. Negative