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Senior Health Calculator

For Providers: Online Tool to Calculate Frailty Index (FI)

This online calculator applies the standard deficit-accumulation approach (see references below) to routinely collected items of a comprehensive geriatric assessment (CGA) to calculate the frailty index (FI). For calculation of FI, medical history and functional status sections must be completed; information on performance tests and nutritional status is not required (the calculator will use all available information).

Interpretation of CGA-FI
The CGA-FI can range from 0 to 1, with higher values indicating a greater degree of frailty.

CGA-FI

Final Score: 0.00
MM/DD/YYY
* Items marked with a star (*) must be completely assessed.
Name
RESET ALL
Score : 0
Medical History* (21 items)
Reset
Check any items that the patient has in his/her medical history.
Angina
Anxiety disorder
Arthritis
Asthma
Atrial fibrillation/flutter
Cancer within 5 years
Chronic kidney disease (eGFR<60)
COPD
Coronary artery disease
Degenerative spine disease
Dementia
Depression
Diabetes
Fall within the past year
Heart failure
Hypertension
Myocardial infarction
Peripheral vascular disease
Sensory impairment
Stroke/TIA
Use of >= 5 prescription drugs
Functional Status* (22 items)
Reset
Does the patient need help from another person to perform the following activities?
Activities of Daily Living
Feeding
Dressing/undressing
Grooming
Walking (or use of a walker)
Getting in and out of bed
Toileting
Bathing or shower
Instrumental Activities of Daily Living
Using telephone
Using transportation
Shopping
Preparing own meals
Housework
Taking own medications
Managing money
Nagi & Rosow-Breslau Activities
Pulling or pushing a large object
Stooping, crouching or kneeling
Lifting or carrying 10 lbs
Reaching arms above shoulder
Writing or handling small objects
Walking up/dn a flight of stairs
Walking half a mile
Heavy work around house
Performance Tests (4 items)
Reset
Mental State Examination
5 Repeated Chair Stands
Gait Speed
Dominant Handgrip Strength
Nutritional Status (3 items)
Reset
Weight loss > 10lbs in past year
Body mass index < 21kg/m²
Serum albumin < 3.5 g/L
Number of positive items: Number of items assessed: CGA-FI (range: 0.0-1.0):
* Items marked with a star (*) must be completely assessed.

YOUR HEALTH DASHBOARD

Health Domains Normal Low Risk Moderate Risk High Risk Insufficient Data
1. Medical          
2. Mobility          
3. Muscle Strength          
4. ADL disability          
5. IADL disability          
6. Cognition          
7. Nutrition          
Your Frailty Index :

Browser Requirements
 For best results, please use Chrome, Firefox, or Microsoft Edge web browsers. As Internet Explorer is no longer being supported, please use one of the aforementioned browsers.

Acknowledgment
 Our research team is grateful to Andrew Song who originally designed and created this online calculator; and to geriatricians in the BIDMC Division of Gerontology and Min Keun Song, MD, MPH, CMD, for their valuable feedback.

If you have any questions and suggestions about this online calculator, please contact Dae Kim, MD, MPH, ScD (dkim2@bidmc.harvard.edu).

Frailty Index Calculation

  1. Rockwood K and Mitnitski A. Frailty Defined by Deficit Accumulation and Geriatric Medicine Defined by Frailty. Clin Geriatr Med 2011; 27: 17-26.
  2. Searle SD, Mitnitski A, Gahbauer EA, Gill TM, Rockwood K. A Standard Procedure for Creating a Frailty Index. BMC Geriatrics 2008; 8: 24.

Application to aortic valve replacement

  1. Kim DH, Afilalo J, Shi SM, Popma JJ, Khabbaz KR, Laham RJ, Grodstein F, Guibone K, Lux E, Lipsitz LA. Evaluation of Changes in Functional Status in the Year Following Aortic Valve Replacement. JAMA Intern Med. 2019; 179: 383-391.