Edmonton Frail Scale Calculator
Score all 9 EFS domains — cognition (clock drawing), health status, functional independence, social support, medications, nutrition, mood, continence, and TUG performance. Maximum 17 points. Frailty confirmed at score ≥ 7. Full EMR documentation included.
NMClinically reviewed byDr. Nikhil Mahajan, PT, MPT · Jan 15, 2026Edmonton Frail Scale — Score Interpretation Reference
| EFS Score | Frailty Level | Clinical Significance | Action Required |
|---|---|---|---|
| 0 – 4 | Not Frail | No frailty identified — functionally robust | Preventive care, annual reassessment |
| 5 – 6 | Vulnerable | Pre-frailty — increased risk, not yet frail | Exercise program, medication review, 6-month follow-up |
| 7 – 8 | Mildly Frail | Frailty confirmed — mild (EFS ≥7 = frail) | Comprehensive geriatric assessment, OT/PT referral, falls prevention |
| 9 – 10 | Moderately Frail | Moderate frailty — significant functional impairment | Multidisciplinary geriatric team, home care, caregiver support |
| 11 – 17 | Severely Frail | Severe frailty — highest risk of adverse outcomes | Palliative care involvement, SNF consideration, advance care planning |
What Is the Edmonton Frail Scale?
The Edmonton Frail Scale (EFS) was developed by D.B. Rolfson and colleagues at the University of Alberta and validated in a community-based sample of 158 participants aged 65 and over (published in Age and Ageing, 2006). It was specifically designed for use by clinicians without specialist geriatrics training — making it ideal for primary care, emergency medicine, surgical preadmission, and acute care nursing settings. A key feature distinguishing the EFS from other frailty tools is its inclusion of both a cognitive test (clock drawing) and objective physical performance (TUG), making it one of the most comprehensive brief frailty tools available.
The Clock Drawing Test in EFS Scoring
The EFS cognitive component uses a brief clock drawing test — draw a circle and ask the patient to fill in the numbers on a clock face and set the hands to 10:10. This is scored 0 (no errors) or 2 (any errors — minor or major). Importantly, there is no score of 1 for this item, which is why the maximum EFS score is 17, not 18. Common errors include misplacing numbers, using incorrect numbers, drawing hands incorrectly, or producing an unrecognisable clock. The clock drawing test is particularly sensitive to executive dysfunction and visuospatial impairment in early dementia.
EFS vs Clinical Frailty Scale — When to Use Which
The Clinical Frailty Scale (CFS) is faster (1–2 minutes, single-descriptor rating) and better suited for acute triage and busy emergency settings. The Edmonton Frail Scale takes 10–15 minutes but provides domain-specific information — identifying whether frailty is driven by physical limitations, cognitive decline, social factors, or polypharmacy. Use the EFS when you need to understand what kind of frailty is present for care planning. Use the CFS when you need a rapid frailty stratification for acute clinical decision-making.