Literature DB >> 27819515

The effect of sampling bias on generalizability in intervention trials after brain injury.

Gabriela Markovic1, Marie-Louise Schult1, Aniko Bartfai1.   

Abstract

OBJECTIVE AND
DESIGN: The first objective of this descriptive study was to explore the effect of strict inclusion and exclusion criteria on patient recruitment in cognitive rehabilitation; the second was to analyse the representativeness of study patients for all eligible stroke and traumatic brain injury patients referred to the department from September 2011 to November 2014.
METHODS: The setting was multi-professional in- and outpatient brain injury rehabilitation in a university hospital. Participants were enrolled consecutively in acute (< 4 months) or sub-acute (4-12 months) phases of rehabilitation after injury.
RESULTS: Nine-hundred-and-forty-four patients were screened. Many failed to meet the inclusion and exclusion criteria (acute phase = 90.5%; sub-acute phase = 85.3% excluded). The most frequent exclusion criteria were age and multiple co-morbidity. The most striking differences between eligible participants and non-participants were the latter's lower educational and occupational levels.
CONCLUSION: Results indicate the need for a closer connection between selection criteria and study aims. Strict inclusion and exclusion criteria render the study population less representative and, thus, reduces generalizability. Data collection is prolonged. This study, instead, advocates the use of broad inclusion criteria and common data elements and the need to report data from the total patient population. Increased awareness of the participants' socioeconomic backgrounds is also needed when recruiting to research studies.

Entities:  

Keywords:  Sampling bias; brain injuries; cognitive training; treatment outcome

Mesh:

Year:  2016        PMID: 27819515     DOI: 10.1080/02699052.2016.1206213

Source DB:  PubMed          Journal:  Brain Inj        ISSN: 0269-9052            Impact factor:   2.311


  4 in total

1.  Predicting Outcome for Early Attention Training After Acquired Brain Injury.

Authors:  Aniko Bartfai; Mattias Elg; Marie-Louise Schult; Gabriela Markovic
Journal:  Front Hum Neurosci       Date:  2022-05-18       Impact factor: 3.473

2.  Examination of exclusion criteria in total knee arthroplasty rehabilitation trials: influence on the application of evidence in day-to-day practice.

Authors:  Andrew J Kittelson; Brian J Loyd; Jeremy Graber; Michael A Himawan; Dawn Waugh; Jacqueline Davenport; Thomas J Hoogeboom; Jennifer Stevens-Lapsley
Journal:  J Eval Clin Pract       Date:  2021-03-24       Impact factor: 2.431

3.  Feasibility of a minimal dataset for adults with acquired brain injury in Dutch healthcare practice.

Authors:  Anne-Fleur Domensino; Jolanda C M van Haastregt; Ieke Winkens; Coen A M van Bennekom; Caroline M van Heugten
Journal:  PLoS One       Date:  2020-06-22       Impact factor: 3.240

4.  Does Intensive Training of Attention Influence Cognitive Fatigability in Patients With Acquired Brain Injury?

Authors:  Anna Holmqvist; Aniko Bartfai; Gabriela Markovic; Marika C Möller
Journal:  Front Neurosci       Date:  2021-07-01       Impact factor: 4.677

  4 in total

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