Clinical Frailty Scale Calculator
Professional assessment tool for determining frailty levels in adults aged 65 and over using the validated Rockwood Clinical Frailty Scale
Frailty Assessment Tool
Select the description that best matches the patient’s current functional status:
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Clinical Interpretation
Recommended Actions
About the Clinical Frailty Scale
The Clinical Frailty Scale (CFS) is a validated assessment tool developed by Professor Kenneth Rockwood and colleagues. It provides a quick and reliable method for healthcare professionals to assess frailty levels in older adults aged 65 and over.
Key Features:
- Takes approximately 3-5 minutes to complete
- Based on clinical judgement and observation
- Validated for use in various healthcare settings
- Widely adopted across NHS services in the UK
- Helps guide care planning and resource allocation
Clinical Frailty Scale Reference
| Score | Category | Description |
|---|---|---|
| 1 | Very Fit | Robust, active, energetic, motivated |
| 2 | Well | No active disease symptoms, less fit than category 1 |
| 3 | Managing Well | Medical problems controlled, not regularly active |
| 4 | Vulnerable | Symptoms limit activities, often tired |
| 5 | Mildly Frail | Need help with complex activities |
| 6 | Moderately Frail | Need help with outside activities and housekeeping |
| 7 | Severely Frail | Completely dependent for personal care |
| 8 | Very Severely Frail | Completely dependent, approaching end of life |
| 9 | Terminally Ill | Life expectancy less than 6 months |
Important Considerations
Assessment Guidelines
- Base assessment on patient’s status two weeks prior to acute illness
- Gather information from patient, family, and carers
- Consider global function and cognition
- Do not use for patients under 65 years
- Avoid use in those with stable long-term disabilities
Frailty in Dementia
When assessing patients with dementia, the degree of frailty typically corresponds to the degree of dementia:
- Mild dementia: Forgetting details of recent events, repeating questions, social withdrawal
- Moderate dementia: Very impaired recent memory, can do personal care with prompting
- Severe dementia: Cannot do personal care without help
Frequently Asked Questions
Who can use the Clinical Frailty Scale?
The CFS can be used by any appropriately trained healthcare professional including doctors, nurses, and allied health professionals. Training and support are recommended before use.
How long does the assessment take?
A CFS assessment typically takes 3-5 minutes to complete once you are familiar with the scale and have gathered the necessary information about the patient.
Can the CFS be used for patients under 65?
No, the Clinical Frailty Scale is only validated for use in people aged 65 and over. It should not be used in younger people or those with stable long-term disabilities.
What should I do with the CFS score?
The CFS score helps guide care planning, resource allocation, and clinical decision-making. Higher scores indicate greater frailty and may require more intensive support and monitoring.
How often should frailty be reassessed?
Frailty status can change over time. Regular reassessment is recommended, particularly following acute illness, hospital admission, or significant changes in functional status.
References
- Rockwood K, Song X, MacKnight C, et al. A global clinical measure of fitness and frailty in elderly people. CMAJ. 2005;173(5):489-495.
- British Geriatrics Society. Clinical Frailty Scale. Available at: https://www.bgs.org.uk/sites/default/files/content/attachment/2018-07-05/rockwood_cfs.pdf
- NHS England. Rockwood Frailty Scale. Available at: https://www.england.nhs.uk/south/wp-content/uploads/sites/6/2022/02/rockwood-frailty-scale_.pdf
- NHS England. Identifying frailty. Available at: https://www.england.nhs.uk/ourwork/clinical-policy/older-people/frailty/frailty-risk-identification/
- Moorhouse P, Rockwood K. Frailty and its quantitative clinical evaluation. R Coll Physicians Edinb. 2012;42:333-340.
- Dalhousie University. Clinical Frailty Scale Guidance and Training. Geriatric Medicine Research Unit, Halifax, Nova Scotia, Canada.
