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The unrestrained use of P values in this retrospective study is unacceptable. If you wish to quote P values, outside the multivariable analysis, then please make formal statistical adjustments for multiple comparisons.
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Appreciate that statistical significance tests show whether or not an effect could be due to chance and do not indicate the biological or clinical importance of any observed differences. Comment on the magnitude of the chief differences between the groups. Declare the level of statistical significance (usually P < 0.05) and state whether this refers to a one- or two-sided probability. Report the value of the test statistic and the P value. Make allowances for multiple comparisons by adjusting the P value. Generally, though within reason, report confidence intervals as well as P values.
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[ Last edited by zm2008hrb on 2009-9-18 at 08:37 ]
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