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Question Categories: Stats

AKT5-194

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.

AKT5-195

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. What is the median …

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AKT5-196

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. What is the interquartile …

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AKT5-197

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. What is the first …

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AKT5-198

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. What is the mean …

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AKT5-199

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?

AKT5-200

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?

AKT5-191

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?

AKT5-192

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

AKT5-193

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)?

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