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Cognitive Performance Post Hip Arthroplasty: Median and Mean Quartile of Memory Span

Study on memory span pre- and post-operation, evaluating significance of differences in groups, with TA1, TA2, TA3 time points. Results indicate cognitive improvement post-operation. Significance levels set at p=0.01 and p=0.05.

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Cognitive Performance Post Hip Arthroplasty: Median and Mean Quartile of Memory Span

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  1. Figure 3. Median and mean quartile of memory span (s or chunks [i.e., units in mind such as letters, digits, or one-syllable words]) pre- and postoperation with assessment of significance of differences between and within both groups. Significance between groups—TA1: p = 0.001;* TA2: p = 0.02;† TA3: p = 0.002.* Significance within groups—play group: p = 0.33; control group: p = 0.48. *Significance set at p = 0.01. †Significance set at p = 0.05. TA1 = time point of assessment 1 day preoperation, TA2 = time point of assessment 2 days postoperation, TA3 = time point of assessment 9 days postoperation.. Brem MH, Lehrl S, Rein AK, Massute S, Schulz-Drost S, Gelse K, Schlechtweg PM, Hennig FF, Olk A, Jacob HJ, Gusinde J. Stop of loss of cognitive performance during rehabilitation after total hip arthroplasty—Prospective con-trolled study. J Rehabil Res Dev. 2010;47(9):891–98. DOI:10.1682/JRRD.2010.01.0011

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