Ka Ting Ng

7 Questions 28 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 2,352 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 8,450 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 711 10 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 7,178 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 7,037 20 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 7,989 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 6,555 15 View