Table 1.

Questionnaire derived from the SOF index

Items	Questions	Answer	Score
Weight loss	In the past year, have you lost 5% or more of your usual weight?	Yes	1
		Non	0
Inability to rise from a chair five times without using the arms	Can you rise from a chair five times without using the arms?	Yes	0
		No	1
Exhaustion	Do you feel without energy, much more tired than usual?	Yes	1
		Non	0