You are discussing the results of a funnel plot published in a recent medical journal with a GP colleague. Which one of the following statements about funnel plots is least correct?

Which one of the below methods aims to allow for problems associated with making multiple comparisons?

100 patients with a flare of hand eczema were given a regular soap substitute to use and another 100 patients were given placebo standard handwash. All the patients were followed up 2 weeks later. The absolute risk reduction was worked out to be 40% What is the number needed to treat (NNT)?

You are discussing various statistical tests mentioned in a recent medical journal with your clinical supervisor. Which of the below tests is not an example of a non-parametric test? You may select one or more answers.

You are looking at the results of a study about a new form of vitamin B12 injection that is being used in patients with vitamin B12 deficiency. The following studies looked at the increase in serum B12 levels in participants 1 month after having a single dose of this new drug. GRAPH A What is …

AKT5-195 Read More »

You are looking at the results of a study about a new form of vitamin B12 injection that is being used in patients with vitamin B12 deficiency. The following studies looked at the increase in serum B12 levels in participants 1 month after having a single dose of this new drug. GRAPH A What is …

AKT5-196 Read More »

You are looking at the results of a study about a new form of vitamin B12 injection that is being used in patients with vitamin B12 deficiency. The following studies looked at the increase in serum B12 levels in participants 1 month after having a single dose of this new drug. GRAPH A What is …

AKT5-197 Read More »

You are looking at the results of a study about a new form of vitamin B12 injection that is being used in patients with vitamin B12 deficiency. The following studies looked at the increase in serum B12 levels in participants 1 month after having a single dose of this new drug. GRAPH A What is …

AKT5-198 Read More »

When reading a recent study, you consider the data in a forest plot as part of your analysis. Which one of the following statements about forest plots is most correct?

You have come across a new case-control study involving patients with a rare form of bowel cancer. What is the usual statistical outcome used in case-control studies?