If ( GLEASON >= 6.5 ) {

	If ( PSA >= 14.730078 or PSA is NaN ) {
	
		Predicted value: 0.14800848
		
	} else {
	
		Predicted value: 0.045432173
		
	}
} else {

	If ( DPROS >= 2.5 ) {
	
		Predicted value: -0.020283366
		
	} else {
	
		Predicted value: -0.10676821
		
	}
}