Which items of the modified Barthel Index can predict functional independence at discharge from inpatient rehabilitation? A secondary analysis retrospective cohort study.
Sanaz Pournajaf, Leonardo Pellicciari, Stefania Proietti and 5 others
PMID 37334818WHAT IT FOUND
Independence in personal hygiene and bladder control on admission strongly predicted better functional outcomes at discharge for both neurological and orthopedic patients.
Neurological patients also benefited from independence in feeding and transfers, while orthopedic patients benefited from independence in dressing.
Key findings
01For neurological patients, independence in personal hygiene at admission was associated with 84 times higher odds of achieving a favorable functional outcome (modified Barthel Index ≥ 75) at discharge.
02For orthopedic patients, independence in personal hygiene at admission was associated with 98 times higher odds of achieving a favorable functional outcome at discharge.
03Longer time since the acute event and longer length of stay were associated with lower odds of achieving a favorable functional outcome at discharge in both groups.
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for OTsWhat it means for SLPs
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What it does not show
The study was conducted in a single center in Italy, and discharge timing was influenced by regional health regulations, which may limit generalizability to other healthcare systems. The analysis is retrospective, so it identifies associations but cannot prove that improving specific ADLs on admission causes better outcomes. Socio-economic and cultural factors influencing discharge were not fully controlled for, which may affect the interpretation of length of stay and final functional scores. The definition of 'independent' vs 'dependent' for mBI items was dichotomized based on the first three vs last two scores, which may oversimplify the gradient of assistance needed.
Declared interests
There are no conflicts of interest.
The easy way to misread this
Do not interpret the high odds ratios for personal hygiene as a causal link that improving hygiene skills will directly raise the total Barthel score. These findings are associations from a retrospective analysis, where independence in hygiene may simply reflect a less severe overall disability profile at admission.