Hello,
For my research, I want to know if there is measurement agreement between to tests that I performed. The tests are both performed once, and the outcomes of the tests are count data. I have one dependent and one independent variable. Which statistical analysis do I have to use?
For another analysis for measurement agreement, I have to compare the same dependent variable from above to another independent variable, outcomes are again count data. However, for this analysis, there is a selection bias for the independent variable. In detail, this means that not all perforators of the abdomen are measured, but only the ones that are used for anastomosis of a DIEP flap. How do I need to analyze this?
Thanks for the input.
Kind regars
When assessing agreement of measurement in count data, the appropriate statistical analysis to use depends on the specific research question and the nature of the data. Here are some common statistical methods used for assessing agreement of measurement in count data:
In summary, when assessing agreement of measurement in count data, there are several statistical methods available, such as Cohen's kappa, ICC, Bland-Altman plot, Poisson regression, and chi-square test. The appropriate method to use depends on the specific research question and the nature of the data. You should consult with a statistician or data analyst to select the appropriate method for your study.
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