The usual objection to frailty scoring in a busy clinic is time: nobody is going to work through a forty-item questionnaire. But most of the items are already in the notes, and the index does not care which ones they are.
So build it from what you hold. Comorbidities from the problem list. Symptoms already recorded - breathlessness, incontinence, falls, pain, low mood, poor appetite, hearing and vision difficulty. Function from the history: washing, dressing, stairs, shopping, cooking, managing money. Abnormal measurements you already take - weight loss, low grip if you measure it, slow gait. Each present deficit scores one, and the index is the count divided by the number assessed.
Two rules make the number usable. Count at least thirty items, because that is where the score becomes stable and where item choice stops mattering. And use the same set every time, so that a change between visits means something about the patient rather than about what you happened to ask. A score above roughly 0.25 marks moderate frailty in most published cohorts, but the trajectory across visits is the more useful signal.
- Assemble the index from data already in the record - comorbidities, symptoms, function, measurements
- Count at least thirty deficits; below that the score is unstable and the item choice starts to matter
- Score each deficit as present or absent and divide by the number assessed, so missing items do not distort it
- Use the identical item set at every visit so changes reflect the patient
- Watch the trajectory across visits rather than fixating on a single threshold
Why it matters
The reason frailty goes unscored is a belief that it needs a separate assessment, and it does not.
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