A synthesis of 57 cohort studies of hospitalised older adults found frailty associated with more than double the mortality, worse activities of daily living, a lower chance of being discharged home, and higher readmission at both 30 and 90 days. Pneumonia risk was the one outcome that did not reach significance.
None of that is surprising. What makes it a pearl is that the frailty score is usually available at the front door and usually not recorded there. The questions asked later on the ward — will this patient get home, do we need to plan for readmission, how aggressive should this be — are the exact outcomes frailty predicts, and answering them from a score taken on day one is better than answering them from an impression formed on day four.
The practical version is small: use whichever validated instrument the unit already knows, record it in the admission note, and repeat it at discharge. The value is not precision about an individual, which frailty scores do not give. It is having the same number in the notes when the discharge conversation happens.
- Record a frailty score in the admission note, not in the discharge summary.
- Use it to open the discharge-destination conversation early rather than at the point of delay.
- Repeat at discharge: the change is more informative than either value alone.
- Treat it as a risk marker for the ward round, not a prediction about the individual in front of you.
The statistics, in plain English
A relative risk of 2.26 for mortality means frail patients died about 2.3 times as often, and the interval of 1.86 to 2.76 keeps that well clear of no effect. The authors flag substantial to considerable heterogeneity across all pooled outcomes, so the size of the association varies a lot between settings and the pooled figure should not be quoted to a patient. These are cohort studies, so residual confounding is unavoidable: frailty travels with age, comorbidity and dementia, and no adjustment fully separates them. Read it as confirming that frailty flags risk, not as quantifying how much for one person.
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