Outcome selection bias in meta-analysis.
Publication bias has been previously identified as a threat to the validity of a meta-analysis. Recently, new evidence has documented an additional threat to validity, the selective reporting of trial outcomes within published studies. Several diseases have several possible measures of outcome. Some...
Những tác giả chính: | Williamson, P, Gamble, C, Altman, D, Hutton, J |
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Định dạng: | Journal article |
Ngôn ngữ: | English |
Được phát hành: |
2005
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