Table 4.

Results of Wilcoxon signed-rank test in terms of P values.

Problem/dataset	SVMa vs GPb	RFc vs GP	NNd vs GP	DTe vs GP
Mortality	<.001	.003	.001	<.001
Fracture	<.001	.02	<.001	.002
Disability	.06	.004	.01	.003
Urgent hospitalization	.71	.01	.37	.01
Preventable hospitalization	.68	.03	.87	.005
Accessing the EDf with a red code	.006	<.001	.01	<.001

^aSVM: support vector machine.

^bGP: genetic programming.

^cRF: random forest.

^dNN: neural network.

^eDT: decision tree.

^fED: emergency department.