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Table 5 Prognostic factors for training improvement in non-verbal short-term memory

From: Prognostic factors for change in memory test performance after memory training in healthy older adults: a systematic review and outline of statistical challenges

Study

Test for outcome assessment

Dependent variable

Investigated prognostic factor

Multiple regression

   

Age

Education

Sex

Neuropsychology

Imaging

Others

Park et al., [7]

Simple Rey Figure Test

Immediate copy

However, results are reported forcognitive functionas outcome measure, which is not clearly defined

Change score

Post-pre

↓*

Pre-test scores of neuropsychological tests (Digit Span Test, Spatial Span Test, Categorical Fluency Test, short version of Boston Naming test) →

  

Correlation analysis

Mohs et al. [21]

Biber Figure Learning Test

Post-test scores,

Controlling for pre-test scores

  

Subjective reported memory →

Group comparisons (ANOVA, t test)

/

   

Mixed models

/

   
  1. Studies are sorted according to the statistical method used for obtaining the prognostic factors. ↑ the higher the prognostic factor, the higher the improvement/positive correlation; ↓ the lower the prognostic factor, the higher the improvement/negative correlation; → no direction of effect reported; * significant; x unclear reporting