Table 1.

Examples of the formation of the prediction set.

Confidence level	Significance level	Higher than the significance level (yes or no)		Prediction set
		P for survival=.37	P for nonsurvival=.08
0.60	.40	No	No	{null}
0.85	.15	Yes	No	{survival}
0.95	.05	Yes	Yes	{survival, nonsurvival}