Table 1 Variables included in the 30-item Frailty Index

Social situation

1

Living alone

0 pt. = no, 1 pt. = yes

Physical function

2

Falls in last 3 months

0 pt. = no, 1 pt. = yes

3

Mobility (MNA)

0 pt. = goes out, 0.5 pt. = able to get out of bed/chair but does not go out, 1 pt. = bed or chair bound

Sensory tests

4

Visual acuity test

0 pt. = correct results, 1 pt. = no correct results

5

Whisper test

0 pt. = both sides correct, 0.5 pt. = one side correct, 1 pt. = none correct

Comorbidities – case history

6

Arterial hypertension

0 pt. = no, 1 pt. = yes

7

Cardiovascular (MI, heart failure, circulatory disorder in feet, arrhythmia, stroke, cerebral hemorrhage, hemiplegic)

0 pt. = no, 1 pt. = yes

8

Neurological (M. Parkinson, seizures)

0 pt. = no, 1 pt. = yes

9

Chronic lung disease

0 pt. = no, 1 pt. = yes

10

Dementia

0 pt. = no, 1 pt. = yes

11

Gastrointestinal ulcer

0 pt. = no, 1 pt. = yes

12

Osteoarthritis

0 pt. = no, 0.5 pt. = hand/other joint, 1 pt. = hand and other joint

13

Urinary incontinence

0 pt. = continent or independent and successful management of urine catheter

0.5 pt. = occasional accident

1 pt. = incontinent (catheterized, unable to manage alone)

14

Tumor

0 pt. = no, 1 pt. = yes

15

Diabetes mellitus

0 pt. = no, 0.5 pt. = without EOD, 1 pt. = EOD

16

Liver disease

0 pt. = no, 0.5 pt. = light, 1 pt. = moderate to severe

Self-estimated health/emotions

17

Subjective memory impairment

0 pt. = no, 1 pt. = yes

18

General health (SF-12)

0 pt. = excellent to good, 0.5 pt. = fair, 1 pt. = poor

19

Moderate activities (SF-12)

0 pt. = not limited at all, 0.5 pt. = limited a little, 1 pt. = limited a lot

20

Climbing several flights of stairs (SF-12)

0 pt. = not limited at all, 0.5 pt. = limited a little, 1 pt. = limited a lot

21

Interference by pain (SF-12)

0 pt. = not at all, 0.25 pt. = a little bit, 0.5 pt. = moderately, 0.75 pt. = quite a bit, 1 pt. = extremely

22

A lot of energy (SF-12)

0 pt. = all/most of the time, 0.5 pt. = a good bit/some of the time, 1 pt. = a little/none of the time

23

Downhearted and blue (SF-12)

0 pt. = none/a little of the time; 0.5 pt. = some of the time; 1 pt. = a good bit/most/all of the time

24

Interference with social contacts (SF-12)

0 pt. = none/a little of the time; 0.5 pt. = some of the time; 1 pt. = most/all of the time

Measurements

25

Weight loss during the last 3 months (MNA)

0 pt. = no, 0.5 pt. = 1–3 kg, 1 pt. = > 3 kg

26

GFR (ml/min//1.73m²)

0 pt. = ≥ 60; 0.5 pt. = 30 to < 60; 1 pt. = < 30

27

BMI (kg/m²)

0 pt. = 18.5 to < 30; 1 pt. = < 18.5 or ≥ 30

28

Anemia

Men: 1 pt. = < 13 g/dL; Women: 1 pt. = < 12 g/dL

29

Polypharmacy

1 pt. = ≥ 5 medications

30

Barthel Index

0 pt. = ≥ 85; 0.5 pt. = 35–80; 1 pt. = 0–30 points