9 Questions 20 Answers 0 Followers
Questions related from Fahmi Khan
I want to do secondary data analysis of my previous study; Is it important to get ethical approval for secondary data analysis?
08 November 2017 1,490 10 View
I have already conducted a study, however, after publication of this study, new question comes to my mind, can I do secondary analysis of this data to answer my new question?
03 November 2017 4,602 2 View
I would like to conduct a clinical trial to do a head to head comparison between two drugs for safety and efficacy. How can I estimate the appropriate sample size?
26 October 2017 9,393 9 View
Linear regression and correlation play an important part in the interpretation of quantitative method comparison studies. How to use linear regression and correlation in quantitative method...
09 May 2013 5,016 1 View
Is it necessary to test the questionnaire before starting the study? and how to do this?
01 March 2013 758 28 View
We are want to conduct a study to identify the risk factors for developing ventilator associated pneumonia in our intensive care unit. After identifying the control group, which test is suitable...
06 February 2013 5,868 15 View
While I am doing a multivariate analysis, one variable showed odds ratio of 4.2 and P value off 0.01. How should I interpret this result?
05 February 2013 4,807 27 View
If we conducted a control study without determining the sample size and power of study, is it possible to calculate the power of study at the end (after data collection is completed)?
05 February 2013 1,779 46 View
I am confused about the new term 'case series'.
21 May 2012 4,219 47 View
