Journal of clinical epidemiology
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We compared popular methods to handle missing data with multiple imputation (a more sophisticated method that preserves data). ⋯ As this study shows that simple methods to deal with missing data can lead to seriously misleading results, we advise to consider multiple imputation. The purpose of multiple imputation is not to create data, but to prevent the exclusion of observed data.
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Multicenter Study
Most of the Quality of Life in Essential Tremor Questionnaire (QUEST) psychometric properties resulted in satisfactory values.
This study sought to assess the psychometric attributes of the Quality of Life in Essential Tremor Questionnaire (QUEST) by undertaking an independent validation. ⋯ Apart from a substantial problem of acceptability, most of the tested psychometric attributes of the QUEST resulted satisfactory.