- Framework of problems / Rigourous
- Data extraction errors and double counting
- Errors and Biases in Meta-analysis of the Prevalence of Olfactory Dysfunction in Patients With COVID-19
| Ref ID | 801 |
| First Author | A. Santamaria-Gadea |
| Journal | OTOLARYNGOLOGY - HEAD AND NECK SURGERY (UNITED STATES) |
| Year Of Publishing | 2021 |
| URL | https://journals.sagepub.com/doi/pdf/10.1177/0194599820951133 |
| Keywords |
Error COVID Heterogeneity Otolaryngology Non-Cochrane reviews |
| Problem(s) |
Data extraction errors and double counting Inadequate analysis of heterogeneity |
| Number of systematic reviews included | 1 |
| Summary of Findings | The letter highlights concerns over the conduct of one systematic review with meta-analysis on the prevalence of olfactory dysfunction in patients with COVID-19, published in 2020. These include the use of meta-analysis despite significant heterogeneity of studies using various non-validated instruments across multiple geographic locations and errors with the labelling of data extracted. |
| Did the article find that the problem(s) led to qualitative changes in interpretation of the results? | Not Applicable |
| Are the methods of the article described in enough detail to replicate the study? | No |