| 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 |
• Heterogeneity • Error • Otolaryngology • COVID • Non-Cochrane reviews |
| Problem(s) |
• Data extraction errors and double counting • Inadequate analysis of heterogeneity |
| Article Type | Editorial |
| Article Subtype | Comment/letter |
| First Author Country | Spain |
| Aim | A letter highlighting 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. |
| Level of Investigation | Descriptive |
| 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. |
| Number of systematic reviews included | 1 |
| Number of eligible systematic reviews assessed | 1 |
| Treatment impacted | No |
| Treatment impacted description | |
| Interpretation impacted | Not Applicable |
| Interpretation impacted description |