Читать книгу Medical Statistics - David Machin - Страница 93

1 Is the number of subjects involved clearly stated in the table?

2 Are the row and columns in the table clearly labelled?

3 Do the titles adequately describe the contents of the table?In tables:

4 If percentages are shown, is it clear whether they add across rows or down columns? For example in Table 3.4 it is clear the percentages total down the columns, not across the rows.

5 Percentages should not have decimal places if the number of subjects in total is less than 100.Summary statistics:

6 If a relative risk is quoted, what is the ARD? Is this a very small number? Beware of reports that only quote relative risks and give no hint of the absolute risk!

7 If an odds ratio is quoted, is it a reasonable approximation to the relative risk? (Ask what the size of the risk in the two groups are).