Ng et al reported the Clinical Frailty Risk Index (C-FRI) for evaluating an older adult for frailty. The authors are from the National University of Singapore, Singapore Immunology Network, and Alexandra Hospital in Singapore.
Patient selection: adult >= 55 years of age
Parameters:
(1) age in years
(2) formal education
(3) heart failure
(4) respiratory problem (asthma, COPD, etc)
(5) FEV1 to FVC ratio
(6) eGFR in mL per min per 1.73 square meters
(7) stroke
(8) depressive symptoms
(9) hearing impairment
(10) visual impairment
(11) anemia (low hemoglobin)
(12) nutritional risk score
(13) WBC count in 10^9/L
Parameter
Finding
Points
age in years
< 75 years
0
>= 75 years
3
formal education
no
2
yes
0
heart failure
no
0
yes
1
respiratory problem
no
0
yes
2
FEV1 to FVC ratio
>= 0.7
0
< 0.7
1
eGFR
>= 60 mL/min per 1.73 sq m
0
< 60 mL/min per 1.73 sq m
2
stroke
no
0
yes
4
depressive symptoms
no
0
yes
4
hearing impairment
no
0
yes
4
visual impairment
no
0
yes
2
anemia
no
0
yes
1
nutritional risk score
< 3
0
>= 3
3
WBC count
< 6.5 * 10^9/L
0
>= 6.5 * 10^9/L
2
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 0
• maximum score: 31
• The higher the score the greater the risk of prefrailty and frailty.
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