Ability of the Short Physical Performance Battery Frailty Index to Predict Mortality and Hospital Readmission in Patients with Liver Cirrhosis

Table 3

Results of ROC curve analyses of predictors of hospital readmission.

Variable(s)	AUC	Cut-off point	P value	Sensitivity	Specificity	PPV	NPV	Asymptotic 95% Confidence Interval
frailty index	0.383	5.50	0.136	45.5%	58.3%	40.0%	63.6%	0.236	0.529
hand grip	0.460	14.50	0.614	45.5%	47.2%	34.5%	58.6%	0.302	0.619
CTP^† score	0.612	9.50	0.156	40.9%	47.2%	32.1%	56.7%	0.466	0.758
MELD^‡ score	0.522	15.50	0.779	50.0%	50.0%	37.9%	62.1%	0.367	0.677

AUC: area under curve; ^†CPT: Child-Turcotte-Pugh; ^‡MELD: model for end stage liver disease.