This table gives an overview of the questionnaires and measurement instruments commonly used to provide an objective view of the functional status that are relevant for diagnosing the nutritional status.
QuestionnaireTarget groupScore range and cut-off point
Barthel Index ADL Barthel Index for measuring the activities of daily livingOlder adults0-20
0-4, entirely dependent on help
5-9, very dependent on help
10-14, needs help, but can do a lot alone
15-19, moderately independent
20 completely ADL independent
ECOG/WHO Performance Status Eastern Cooperative Oncology Group Performance StatusCancer patients0-4, classified into 5 classes
0, asymptomatic
1, symptomatic, fully ambulant
2, symptomatic, lies in bed less than 50% of the day
3, symptomatic, not entirely bed-ridden but lies more than 50% of the day in bed
4, completely bed-ridden
Karnofsky Performance StatusCancer patients0-100, classified into 11 classes
100, no symptoms, no signs of disease
90, capable of normal activity, minimal signs of disease
80, normal activity with effort
70, capable of looking after him/herself, but not of carrying out normal activities or working
60, needs help occasionally, but can generally look after him/herself
50, often requires considerable help and frequent medical care
40, mostly bed-ridden, needs care and help
30, entirely bed-ridden, needs total care, admission to hospital indicated, death not yet imminent
20, severely ill, admission to hospital essential, active support required
10, moribund
0, dead
IADL Instrumental Activities of Daily LivingPrimarily older adults0-21
A low score corresponds to greater independence in carrying out IADL
Katz ADL Katz Index of Independence in Activities of Daily LivingPrimarily older adults0-6 or A-G
A, independent for the 6 items
B, dependent for 1 of the 6 items
C, dependent for washing and 1 other item
D, dependent for washing, dressing, and 1 other item
E, dependent for washing, dressing, going to the bathroom, and 1 other item
F, dependent for washing, dressing, going to the bathroom, moving around, and 1 other item
G, dependent for all items
Dependent if the score is 6
Moderately dependent if the score is 4 and
Independent if the score is less than 2.
LAPAQAdults and older adultsThe higher the score, the more time is devoted to physical activities
SPPB Short Physical Performance BatteryOlder adults0-12
A higher score corresponds to a better performance