[Retracted] Establishment and Validation for Predicting the Death of Multiple Myeloma among Whites

Table 4

The performance of the random forest models in age and marital status subgroups.

Subgroup	Parameter (95% CI)	All-variable models
Age ≥65 years
	AUC	0.681(0.681–0.682)
	Accuracy	0.647(0.634–0.660)
	Sensitivity	0.725(0.710–0.741)
	Specificity	0.511(0.489–0.533)
	PPV	0.721(0.705–0.736)
	NPV	0.517(0.495–0.540)
Age <65 years
	AUC	0.614(0.613–0.614)
	Accuracy	0.621(0.604–0.637)
	Sensitivity	0.030(0.021–0.039)
	Specificity	0.986(0.981–0.991)
	PPV	0.565(0.448–0.682)
	NPV	0.622(0.605–0.638)
Single marital status
	AUC	0.662(0.661–0.663)
	Accuracy	0.583(0.553–0.613)
	Sensitivity	0.367(0.326–0.408)
	Specificity	0.817(0.783–0.851)
	PPV	0.684(0.630–0.738)
	NPV	0.544(0.508–0.580)
Widowed marital status
	AUC	0.693(0.693–0.693)
	Accuracy	0.636(0.623–0.648)
	Sensitivity	0.461(0.442–0.480)
	Specificity	0.807(0.793–0.822)
	PPV	0.701(0.680–0.723)
	NPV	0.604(0.588–0.620)
Others marital status
	AUC	0.695(0.694–0.696)
	Accuracy	0.724(0.699–0.748)
	Sensitivity	0.886(0.865–0.907)
	Specificity	0.305(0.257–0.353)
	PPV	0.767(0.741–0.792)
	NPV	0.509(0.442–0.577)
Married marital status
	AUC	0.642(0.641–0.644)
	Accuracy	0.583(0.550–0.615)
	Sensitivity	0.433(0.389–0.477)
	Specificity	0.756(0.715–0.797)
	PPV	0.673(0.621–0.725)
	NPV	0.535(0.494–0.575)