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Increasing the efficiency of study selection for systematic reviews using prioritization tools and a single-screening
Siw Waffenschmidt1, Wiebke Sieben2, Thomas Jakubeit2
1Institute for Quality and Efficiency in Health Care, Cologne, Germany. siw.waffenschmidt@iqwig.de.
Systematic Reviews
|September 13, 2023
Summary
Text mining tools like EPPI Reviewer can improve literature screening efficiency in systematic reviews. Single screening, when supplemented with additional sources, can identify all relevant studies for health technology assessments without altering conclusions.
Area of Science:
- Health Technology Assessment
- Systematic Review Methodology
- Information Science
Background:
- Systematic literature screening is crucial for systematic reviews but is resource-intensive due to double screening.
- Developing efficient approaches for study selection is essential to manage workload.
- Text mining and single screening were explored to enhance efficiency.
Purpose of the Study:
- To evaluate the efficiency of text mining tools in prioritizing search results for systematic literature screening.
- To assess the feasibility and impact of single screening versus double screening in health technology assessments (HTAs).
- To compare the performance of EPPI Reviewer and Rayyan in identifying relevant studies.
Main Methods:
- The study analyzed 11 searches from drug and non-drug intervention HTAs, involving 33 study selection processes.
- Three screeners participated per search; two used prioritization tools (EPPI Reviewer, Rayyan), and one did not.
- Sensitivity and the proportion of relevant citations identified at different screening cut-offs were measured.
Main Results:
- EPPI Reviewer identified 88% of relevant citations after screening 50% of the set, outperforming Rayyan (66%).
- Single screening, with additional information source review, identified all studies relevant to the HTA conclusion.
- Despite some misclassifications, missed studies did not alter any HTA conclusions.
Conclusions:
- EPPI Reviewer facilitates earlier identification of relevant citations compared to Rayyan.
- Single screening is sufficient for identifying all HTA-relevant studies if coupled with screening additional sources.
- Potential impact on HTA credibility due to omitted studies, even if not conclusion-altering, must be considered.
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