17 Questions 15 Answers 0 Followers
Questions related from Rukman Mecca Manapurath
Which term is more appropriate when discussing vitamin B levels or concentrations in serum, considering that the terms "levels" and "concentrations" are often used interchangeably? Thanks in advance.
17 March 2023 8,947 2 View
Is it possible to obtain accurate test results for Total Cholesterol, Triglycerides, Insulin and Apolipoprotein B after storing serum sample at -80 degree for 4 years?
15 February 2023 4,987 2 View
Hello All, Is there any database for getting informed regularly about health research funding options Thanks in advance
06 June 2022 8,977 1 View
In case of systematic reviews or meta-analysis involving observational studies (of exposure), can we do GRADES certainty of evidence through GRADES PRO? Or is it just low quality by default? Here...
25 November 2021 855 4 View
For instance if we are studying mortality associated with a drug, and there are 15 studies with the outcome but we need only a subset of the population studied by them. If 5 studies were included...
19 September 2021 3,845 3 View
I am doing survey data analysis using svyset command. I would like to see if collinearity exists between any independent variables used in the regression analysis, which is the post estimation...
19 December 2020 5,824 3 View
From a big data, what are the steps to generate a dataset for doing Random effects meta analysis in Stata software? Thanks in advance.
14 December 2020 3,655 4 View
If my panel data contain studies appended from 10 different data sets, there are certain variables which shows duplicate values if I calculate incidence or prevalence of an event. I have explored...
08 October 2020 8,825 7 View
If one of the column value is zero, as shown in the screen shot below, taking a fishers exact will be good for association or is it better to combine values and do analysis? Thanks in advance
05 March 2020 9,774 3 View
I was searching for sensitivity and specificity testing for apoB. But I couldn’t find reliable references. But Relative Risk Ratios (RRR) for apoB is available. Mentioning RRR will be a surrogate...
25 February 2020 9,852 2 View
For instance if the body fat cut off is based on some western standards, how can we determine cut off for our study, based on the study results? ROC curve?
27 January 2020 5,469 2 View
Given the sample size, how can we calculate the sample confidence interval range values to know the upper and lower limit of sample size? Thanks.
23 September 2019 6,730 2 View
Presumed prevalence was 50%, as parent study in the region, but actual prevalence was 16%. Does this much of difference makes my calculated sample size wrong? Thanks in advance.
21 September 2019 447 7 View
PFA the word file of the output I received and command used. Context:- Secondary data analysis of big survey data Logistc regression for prediction of output (binomial)
01 January 1970 8,616 1 View
Consider the following example - If I am studying (Systematic review and meta-analysis) the catch growth among preterm babies, all the included trials studied singleton pregnancies but one of the...
01 January 1970 6,102 4 View
For a systematic review with nonrandomized studies exploring the effect of an environmental exposure, which tool is preferable?
01 January 1970 3,590 4 View
Are there any references for Estimated Average Requirement (for minerals and vitamins) of infants less than 6 months?
01 January 1970 8,314 3 View
