Nikhat Zia

2 Questions 4 Answers 0 Followers

Questions related from Nikhat Zia

Sample size for diagnostic cross sectionalstudy?

Hi I am doing a cross sectional study on the diagnostic value of a biomarker In cervical cancer.can I use the dobsons formula (z)2*p(1-p)/d2 And should p be the prevalence of disease or the...

11 November 2019 552 2 View

Hi. What was your gold standard? Histology right? Where are your true negatives?how did you manage to do sensitivity and specificity?

Hi. As far as I understand you just be having histology as your gold standard. What I want to understand is what were your true negatives ? Say if p16 and ki 67 came out negative on cytology how...

01 January 1970 3,645 8 View