Ka Ting Ng

10 Questions 34 Answers 0 Followers

Questions related from Ka Ting Ng

Trial Sequential Analysis: Repeated significance testing?

May I know what does repeated significance testing means in TSA manual? For binary outcome (mortality), we only insert n/N from each trial into the revMan to meta-analytic the result. If there...

29 December 2017 2,389 2 View

During cardiopulmonary bypass, what would be the best indicator to assess the depth of anaesthesia?

Would it be bispectral index or exhausted anaesthetic gas from CPB circuit (analogue to end tidal anaesthetic gas)? Many thanks for your time and atttention, Ka

20 August 2016 8,486 7 View

How to know the correlation coefficient if I suspect there is curvilinear pattern?

Hi all, I would like to see how strongly the exhausted isoflurane correlates with the coronary sinus isoflurane level. Basically, I hypothesised that we could use exhausted isoflurane to predict...

22 July 2016 735 10 View

Could iron-deficiency anaemia secondary to heavy menstrual bleeding be a potential risk factor to the formation of venous thromboembolism?

Could iron-deficiency anaemia secondary to heavy menstrual bleeding be a potential risk factor to the formation of venous thromboembolism (bilateral PE)? I encountered two cases within 2 months...

20 July 2016 2,915 6 View

What factors could be present when arterial and venous anaesthetic concentrations are not equilibrated?

I measured the concentration anaesthetic gas (isoflurane) in both artery and coronary sinus (vein) from patients undergoing cardiac surgery. Student T test (related) showed that arterial...

25 December 2015 7,207 9 View

Any advice on partial correlation interpretation?

The zero-order correlation of the exhaust and venous isoflurane were statistically significant with r(7)= .79, p= .011. A partial correlation between exhaust and venous isoflurane controlling...

17 December 2015 7,069 20 View

Does anyone know why the isoflurane concentration ug/mL of artery and vein aren't the same under equilibrium state?

Dear all, Does anyone know why the isoflurane concentration ug/mL of artery and vein aren't the same under equilibrium state? Can someone advise further please. Many thanks for attention.

17 December 2015 5,352 7 View

Any recommendation of statistical test ?

My research project is looking at the levels of anaesthetic in artery (ug/ml), vein (ug/ml) and oxygenator anaesthetic gas level (%).Theoretically, all the 3 compartments should be the same under...

14 December 2015 8,014 7 View

What is the statistical test to measure both measurements (different units)?

Bland-Altman plot measure the agreement between two different methods which measures the same variable. As far as I understand Bland-Altman can measure only if the two methods have the same unit...

03 December 2015 6,595 15 View

What are the methods available to measure volatile isoflurane in tissue (myocardium)?

concentration in blood (artery-vein difference?)

09 July 2015 8,191 3 View