| Ref ID | 495 |
| First Author | A. P. Jones |
| Journal | JOURNAL OF CLINICAL EPIDEMIOLOGY |
| Year Of Publishing | 2005 |
| URL | https://www.jclinepi.com/article/S0895-4356(05)00047-8/fulltext |
| Keywords |
• Cochrane • Error • Endocrinology |
| Problem(s) |
• Weaknesses identified in some Cochrane reviews • Data extraction errors and double counting |
| Article Type | Empirical |
| Article Subtype | Cross-sectional survey/Methodological systematic review |
| First Author Country | United Kingdom |
| Aim | To retrospectively repeat the data extraction in all systematic reviews conducted by the Cochrane Cystic Fibrosis and Genetic Disorders Group by an experienced statistician to check for errors. |
| Level of Investigation | Analytical |
| Summary of Findings | Errors related to data extraction and calculations were found in 59% of reviews. Errors did not lead to substantial changes in any conclusion. |
| Number of systematic reviews included | 34 |
| Number of eligible systematic reviews assessed | 42 |
| Treatment impacted | Yes |
| Treatment impacted description | All data-handling errors led to changes in the summary results, but none of them affected review conclusions. |
| Interpretation impacted | No |
| Interpretation impacted description |