Development and Validation of Prognostic Indices for Recovery of Physical Functioning Following Stroke: Part 2.

Bates BE, Xie D, Kwong PL, Kurichi JE, Ripley DC, Davenport C, Vogel WB, Stineman MG. Development and Validation of Prognostic Indices for Recovery of Physical Functioning Following Stroke: Part 2. PM & R : the journal of injury, function, and rehabilitation. 2015 Jul 1; 7(7):699-710.

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Abstract:

OBJECTIVE: To develop a prognostic index for achievement of modified independence (Functional Independence Measure grade VI) after completion of either comprehensive or consultative rehabilitation after stroke. DESIGN: Retrospective cohort study. SETTING: Veterans Affairs Medical Centers (VAMCs) throughout the United States. PARTICIPANTS: Data included 5316 patients with stroke discharged from VAMCs who received rehabilitation services while hospitalized and who were physically dependent at initial assessment. The index was derived with use of 60% of the sample and validated in the remaining 40% of the sample. Points derived from the ß coefficients of a multivariable logistic model were added to scores that were associated with the probability of recovery. MAIN OUTCOME MEASURE: Recovery to modified independence or above at final rehabilitation assessment, defined as when patients no longer need physical assistance with eating; grooming; dressing the upper and lower body; toileting; sphincter management; bed to chair, toilet, and tub transfers; and walking/wheelchair use and when they require no more than supervision with bathing or climbing stairs. RESULTS: Seven independent predictors were identified through logistic regression in the derivation sample: initial physical grade (I or II = 0 points; III = 2 points; IV = 4 points; V = 5 points), initial cognitive stage (I or II = 0 points; III = 2 points; IV = 3 points, V or VI = 4 points; VII = 5 points), type of rehabilitation (consultative = 0 points; comprehensive = 4 points), age ( < 60 years = 3 points; 60-79 years = 2 points; = 80 years = 0 points), time from initial to final physical grade assessment (1-2 days = 0 points; = 3 days = 2 points), absence of urinary procedures (3 points), and absence of diabetes with complications (1 point). The following proportions of patients recovered to physical grade VI for the first, second, third, and fourth quartile scores, respectively: 0.59% (score = 9), 3.87% (score = 9-11), 14.19% (score = 12-15), and 37.38% (score = 16). CONCLUSION: Functional recovery to physical grade VI can be predicted on the basis of patients' initial status after a stroke occurs and the type of rehabilitation services to be provided by using a simple scoring system.