Gayatri Vishwakarma

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Questions related from Gayatri Vishwakarma

Which is a classical measure of heterogeneity for meta-analysis (Cochran’s Q or Higgins I-Square)?

Heterogeneity in meta-analysis refers to the variation in study outcomes between studies. I-square statistic describes the percentage of variation across studies while is calculated as the...

12 April 2021 9,445 3 View

How to perform a meta-analysis for single group?

How to perform a meta-analysis for single group? Single group means you don't have a comparison group. You have estimates i.e. Mean+_SD with sample size OR events and sample size for one...

12 August 2019 6,073 14 View

What if all subjects got event in survival analysis?

If in survival analysis all study subjects got event before last follow-up, then how should we interpret the summary.

16 May 2018 2,434 4 View

How to enter data in Revman Software (Meat-analysis)?

I have a dichotomous outcome variable and measuring OR as effect size. I have got data from two studies and both represent data in different form. One study gives experimental & control group...

12 March 2018 6,227 3 View

What is the difference between Hospital based Cancer Registry & Population based cancer registry?

I want to understand the working procedure of these two type of data collection methods of cancer registries in India. How they collect data? There must be common subjects. Is it collected...

22 May 2017 9,716 0 View

Ethics Committee must have a Biostatistician in the quorum.

The quorum is the count of the number of members present in the EC meeting. EC consists of five members and I think one of the members should be a Biostatistician. Many of the scientific and...

01 January 1970 5,129 7 View