Publication Date
| In 2026 | 0 |
| Since 2025 | 0 |
| Since 2022 (last 5 years) | 0 |
| Since 2017 (last 10 years) | 1 |
| Since 2007 (last 20 years) | 2 |
Descriptor
Source
| Research Synthesis Methods | 2 |
Author
| Waffenschmidt, Siw | 2 |
| Guddat, Charlotte | 1 |
| Hausner, Elke | 1 |
| Haynes, R. Brian | 1 |
| Hobson, Nick | 1 |
| Navarro-Ruan, Tamara | 1 |
| Sauerland, Stefan | 1 |
Publication Type
| Journal Articles | 2 |
| Reports - Research | 2 |
| Information Analyses | 1 |
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Waffenschmidt, Siw; Navarro-Ruan, Tamara; Hobson, Nick; Hausner, Elke; Sauerland, Stefan; Haynes, R. Brian – Research Synthesis Methods, 2020
A retrospective analysis published by the German Institute for Quality and Efficiency in Health Care (IQWiG) in 2018 concluded that no filter for non-randomized studies (NRS) achieved sufficient sensitivity ([greater than or equal to] 92%), a precondition for comprehensive information retrieval. New NRS filters are therefore required, taking into…
Descriptors: Bibliographic Databases, Information Storage, Information Retrieval, Online Searching
Waffenschmidt, Siw; Guddat, Charlotte – Research Synthesis Methods, 2015
Background: It is unclear which terms should be included in bibliographic searches for randomized controlled trials (RCTs) of drugs, and identifying relevant drug terms can be extremely laborious. The aim of our analysis was to determine whether a bibliographic search using only the generic drug name produces sufficient results for the generation…
Descriptors: Control Groups, Drug Therapy, Outcomes of Treatment, Databases

Peer reviewed
Direct link
