How to estimate nares to LES distance from demographic measures in adults?

There are some formula for estimating nares to lower esophageal sphincter distance in infants based on height. I'm looking for some data in adults to estimate such distance based on gender and...

31 December 2017 1,190 5 View

How to calculate sample size for non-inferiority test using G*Power?

Is it possible to calculate sample size for non-inferiority/superiority tests using the G*Power software?

03 April 2017 6,890 1 View

What band-pass filter is appropriate for continous blood pressure wave analysis?

We use the analogue output of the Portapres device for monitoring continuous blood pressure. Is band-pass filtering necessary for such blood pressure wave analysis? What should be the low/high...

10 November 2016 9,852 15 View

What does it mean when, in the repeated measure analysis, the time x group interaction is significant but between-subject contrast is not significant?

In the repeated measure analysis of the the effect of drug A compared with drug B on the variable C which was measured at times 0, week 2, and week 6, the results were as follows: Test of...

31 December 2014 7,441 13 View

What could be the mechanisms for vitamin D deficiency associated with radiation-induced intestinal injury ?

In a prospective study on patients with pelvic malignancies undergoing pelvic radiotherapy, we found an association between vitamin D deficiency and severity of radiation induced proctitis. This...

11 December 2014 1,496 8 View

What are the Pros and Cons of measuring 1,25(OH)2D in contrast to 25(OH)D to investigate the immunomodulatory effects of vitamin D?

10 November 2014 7,355 7 View

As independent factors, should anxiety and depression be included in a linear regression model separately or simultaneously?

In studying factors associated with sleep in patients with chronic medical conditions we found an association between different factors including anxiety and depression with sleep quality. To...

31 December 2013 7,349 33 View

What is the minimum acceptable item-total correlation in a multi-dimensional questionnaire?

In linguistic validation of some multi-dimensional questionnaires for our population (with 26 to 34 items and about 5 sub-scales), we encountered some questions: What are the minimum acceptable...

10 November 2013 5,304 28 View

Association of BMI and treatment response in rheumatoid arthritis - can anyone help?

Recently we have conducted a prospective study to evaluate if BMI is associated with treatment response to a combination DEMARDs therapy. We found an inverse association between BMI and disease...

09 October 2013 730 14 View

Is there any method for real-time in-situ measurement of the amount of released cytokines from immune cells?

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07 August 2013 2,737 4 View

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 View

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 View

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View

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02 March 2021 3,060 3 View

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02 March 2021 932 1 View

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 View

How to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

Where can I find life cycle inventory or assessment of non woven materials?

Dear network, I am looking for the LCA or LCI or at least the energy balances of the non woven fabrics process for my master project, in specific for natural fibers, yet I have found...

02 March 2021 9,662 1 View

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 View