02287nas a2200205   4500000000100000008004100001100002600042700001300068700001900081700001400100700001600114700001200130700001500142245013600157250001500293300001000308490000700318520173400325020002202059       2010                            d1 aSherrington Catherine1 aClose J.1 aBarraclough E.1 aTaylor M.1 aHerbert Rob1 aLord S.1 aCumming R.00aMobility-related disability three months after aged care rehabilitation can be predicted with a simple tool: an observational study  a2010/05/21  a121-70 v563 a<p>
QUESTIONS: What is the prevalence of mobility-related disability 3 months after discharge from inpatient aged care rehabilitation? Can a clinical tool predict which individuals will experience mobility-related disability 3 months after discharge? DESIGN: Prospective cohort study. PARTICIPANTS: 442 patients newly admitted to two large inpatient rehabilitation units. OUTCOME MEASURES: Predictors were co-morbidities; pre-admission mobility; and discharge cognition, pain, vision, muscle strength, and mobility. The outcome of interest was inability to climb a flight of stairs and walk 800 m without assistance. RESULTS: 157 participants (36%) were unable to climb a flight of stairs and walk 800 m without assistance prior to hospital admission. Three months after discharge, 254 participants (59%) were unable to complete both tasks. A simple clinical prediction tool based on pre-admission ability to complete the two tasks, co-morbidity on admission, and pre-discharge measurement of: leaning while standing (Maximal Balance Range test), low-contrast visual acuity, and knee extension strength, had good discrimination (area under the receiver-operating characteristic curve [AUC] = 0.77, 95% CI 0.72 to 0.81, bootstrap adjusted AUC = 0.77) and was well calibrated. This tool provided substantially better (p &lt; 0-001) discrimination than pre-admission ability alone (AUC = 0.64, 95% CI 0.60 to 0.68, bootstrap adjusted AUC = 0.64). The observed risk of persisting disability ranged from 13% in those with no predictors to 93% in those with 5 predictors. CONCLUSION: Mobility-related disability 3 months after discharge from inpatient rehabilitation is common and can be predicted easily with a clinical tool.
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