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Question Categories: Statistics

AKT7-174

You are looking at the results of 4 new studies which are looking at the effectiveness of a new drug for severe hypokalaemia. The new drug claims to increase the serum potassium faster than conventional treatment. What is the interquartile range in study 3?

AKT7-175

You are looking at the results of 4 new studies which are looking at the effectiveness of a new drug for severe hypokalaemia. The new drug claims to increase the serum potassium faster than conventional treatment. What is the median value of study 1?

AKT7-176

You are looking at the results of 4 new studies which are looking at the effectiveness of a new drug for severe hypokalaemia. The new drug claims to increase the serum potassium faster than conventional treatment. Which study has the largest range?

AKT7-161

Which of the following terms matches the following description? ‘The risk of an event occurring in one group divided by the risk it occurs in another group.’

AKT7-177

You review the results of 4 trials which are evaluating a new Rheumatoid arthritis drug being used in patients who have failed to respond to conventional disease-modifying anti-rheumatic drugs. They are known to also affect the folate levels in the body and these results have been depicted in a forest plot. Which study shows the …

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AKT7-162

A new knee replacement surgical technique is being trialled to see if causes less post-operative wound infections. 100 patients receive the old operation and 100 patients receive the new operative technique. The researchers give a 0.9 risk ratio for the new operation. What does this risk ratio tell us about the new operation technique?

AKT7-178

You review the results of 4 trials which are evaluating a new Rheumatoid arthritis drug being used in patients who have failed to respond to conventional disease-modifying anti-rheumatic drugs. They are known to also affect the folate levels in the body and these results have been depicted in a forest plot. Which study is not …

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AKT7-163

You are thinking about the standard deviation given in a recent study you have come across. You are aware that the data has a normal distribution and aware of the mean value of 70kg weight and standard deviation of 2kg. Which one of the following statements is most correct regarding standard deviation?

AKT7-179

You review the results of 4 trials which are evaluating a new Rheumatoid arthritis drug being used in patients who have failed to respond to conventional disease-modifying anti-rheumatic drugs. They are known to also affect the folate levels in the body and these results have been depicted in a forest plot. Which study has the …

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AKT7-164

140 patients presenting with suspected ovarian cancer take part in a study observing the validity of a new tumour marker blood test for ovarian cancer. Out of these 140 patients, 60 had a negative test result. Of the 40 patients who had ovarian cancer, 4 had a negative result. Please work out the sensitivity of …

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