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Thank you Khaing Zin Zin Htwe for your great CRF. It cover all of the variables that need in the study. Your design in this CRF is easy to read, fill in, and follow the form. I very impress about the choices that often have the third option excluded from “Yes ” and “No” answer such as “unknow”, “Not done”, and “No examined”. These could be one of the measure to increase data validity and I forgot it in my CRF.
I have some suggestion for improving you CRF. First, base on my knowledge and my experience, any titer of antibody doesn’t has unit because it report in form of dilution (1:2 , 1:4 , 1:8 etc.). Thus, the unit column in laboratory data is redundancy. Second, because this study plan to study and collect data in Thailand, the units of weight and high that often use are kilograms in weight and centimeters in high. If the CRF form specify to fill in these data in inch and Ib unit, might difficult for collector to change the unit and increase their work.
Thank you for your hard work. If you have any opinion to discussion please let me know.
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