Table 3.

The sensitivity, specificity, NPVs, and PPVs of MNA-SF

	Cut-off	Diagnosis	Sensitivity (%) (Interval)	Specificity (%) (Interval)	PPV (%) (Interval)	NPV (%) (Interval)
MNA-SF	13.0	Pre-frail	45.71 (39.77–51.75)	78.32 (73.09–82.96)	67.37 (61.55–72.0)	59.57 (56.57–62.51)
	11.0	Frail	71.25 (65.89–76.20)	92.86 (89.39–95.47)	91.02 (87.07–93.85)	76.06 (72.69–79.14)

Abbreviations: MNA, Mini Nutritional Assessment; MNA-SF, MNA-Short Form; PPV, positive predictive value; NPV, negative predictive value.