Measuring functional performance at discharge from hospital after total joint arthroplasty as a pre-requisite for planning early rehabilitation: a prognostic study.

Background: The autonomy achieved by discharge after total knee and hip arthroplasty is important for planning early rehabilitation.

Purpose: Describe functional performance using the Iowa Level of Assistance (ILOA) scale and investigate possible prognostic factors.

Methods: A prospective cohort study design was used.