Performance-based functional impairment and readmission and death: a prospective study.

Aubert, Carole Elodie; Folly, Antoine; Mancinetti, Marco; Hayoz, Daniel; Donzé, Jacques (2017). Performance-based functional impairment and readmission and death: a prospective study. BMJ open, 7(6), e016207. BMJ Publishing Group 10.1136/bmjopen-2017-016207

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OBJECTIVES

Readmission and death are frequent after a hospitalisation and difficult to predict. While many predictors have been identified, few studies have focused on functional status. We assessed whether performance-based functional impairment at discharge is associated with readmission and death after an acute medical hospitalisation.

DESIGN, SETTING AND PARTICIPANTS

We prospectively included patients aged ≥50 years admitted to the Department of General Internal Medicine of a large community hospital. Functional status was assessed shortly before discharge using the Timed Up and Go test performed twice in a standard way by trained physiotherapists and was defined as a test duration ≥15 s. Sensitivity analyses using a cut-off at >10 and >20 s were performed.

PRIMARY AND SECONDARY OUTCOME MEASURES

The primary and secondary outcome measures were unplanned readmission and death, respectively, within 6 months after discharge.

RESULTS

Within 6 months after discharge, 107/338 (31.7%) patients had an unplanned readmission and 31/338 (9.2%) died. Functional impairment was associated with higher risk of death (OR 2.44, 95% CI 1.15 to 5.18), but not with unplanned readmission (OR 1.34, 95% CI 0.84 to 2.15). No significant association was found between functional impairment and the total number of unplanned readmissions (adjusted OR 1.59, 95% CI 0.95 to 2.67).

CONCLUSIONS

Functional impairment at discharge of an acute medical hospitalisation was associated with higher risk of death, but not of unplanned readmission within 6 months after discharge. Simple performance-based assessment may represent a better prognostic measure for mortality than for readmission.

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