Table 1: Most Cited Frailty Assessment Instruments and Their Constituents.

	Frail Phenotype (2001)[36]	Deficient Accumulation Frailty Index (2001)[40]	Gill Frailty Measure (2002)[86]	Clinical Frailty Scale (2005)[87]	Brief Frailty Instrument (1999)[88]	Vulnerable Elders Survey (2001)[89]	Frail Scale (2008)[90]	Winograd Screen Instrument (1991)[37]
Physical activity	+	+	+	+	+	+	+	+
Mobility	+			+			+
Energy	+			+			+	+
Cognition		+		+	+			+
Social aspect		+		+
Disability				+		+
Medication				+
Health						+		+
Nutrition	+							+
Strength	+					+		+
Comorbidity		+					+
Continence					+			+
Weight loss							+	+