Table 4.

Discrimination and comparison of the Johns Hopkins Claims-Based Frailty Index and Hospital Frailty Risk Score models

	Johns Hopkins Claims-based Frailty Index (C Statistic)	Hospital Frailty Risk Score (C Statistic)	DeLongp-value
Observed 1-year Readmission
Acute Myocardial Infarction	0.58 (0.57-0.59)	0.68 (0.68-0.69)	<0.001
Heart Failure	0.57 (0.57-0.57)	0.66 (0.66-0.67)	<0.001
Pneumonia	0.58 (0.58-0.59)	0.65 (0.65-0.66)	<0.001
Observed 1-year Mortality
Acute Myocardial Infarction	0.67 (0.66-0.67)	0.58 (0.58-0.59)	<0.001
Heart Failure	0.62 (0.61-0.62)	0.58 (0.57-0.58)	<0.001
Pneumonia	0.65 (0.64-0.65)	0.63 (0.62-0.63)	<0.001
Long-term mortality
Acute Myocardial Infarction	0.68 (0.67-0.69)	0.62 (0.61-0.63)	<0.001
Heart Failure	0.61 (0.61-0.62)	0.58 (0.57-0.59)	<0.001
Pneumonia	0.64 (0.63-0.65)	0.62 (0.62-0.63)	<0.001