| Autor: |
Ahmed, Ikhlaaq, Sutton, Alexander J., Riley, Richard D. |
| Předmět: |
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| Zdroj: |
BMJ: British Medical Journal (Overseas & Retired Doctors Edition); 1/7/2012, Vol. 344 Issue 7838, p16-16, 1p, 1 Graph |
| Abstrakt: |
The article presents a study which focuses on the assessment of publication, selection, and data availability bias in meta-analyses that used individual participant data. It mentions that the study examined the 383 meta-analyses of individual participant data published between 1991 and March 2009, in which the 31 most recent meta-analyses were the focus of the study. The study shows that nine of the 31 meta-analyses investigated or only 29% used individual participant data. |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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