Jalal Choupani

7 Questions 9 Answers 0 Followers

Questions related from Jalal Choupani

How to do scale break in stata?

In the attached forest plot, I need to extend the gap between 0 and 1. I also need to add scale break between 5 and 9. Unfortunately, I couldn't do this with graph editor (stata) . Does anyone...

08 August 2019 1,914 2 View

I was wondering if anyone can help with the egger's and begg's test for subgroups in Stata?

I run a network meta-analysis. I try to run egger's and begg's test for different subgroups using these commands in stata: metabias logrr selogrr, egger by(treatment) metabias logrr selogrr, begg...

07 July 2019 3,781 6 View

How might I calculate hazard ratio and 95%CI from median survival rate?

I need to calculate HR and 95% CI for median survival rate in two different groups. i.e., Group 1: median survival=x and CI:(a-b) Group 1: median survival=y and CI:(c-d) I appreciate your help

06 June 2019 6,928 4 View

How to convert a hazard ratio for 3 different categories to a single hazard ratio for 2 different categories?

I am doing a meta-analysis of the validity of immunotherapy as a prognostic factor. Different studies report different categories for drug timing, making them difficult to combine. For example, if...

06 June 2019 4,540 1 View

How to calculate Standard Error provided Hazard Ratio?

Hi all, I'm comparing the effect of different therapeutic methods on the one year survival rate of different groups of patients. I calculated Hazard ratio (HR) using this formula: HR=...

04 April 2019 2,532 2 View

What is the difference between mechanism of immortality in normal stem cells vs cancer stem cells?

Many genetic changes can immortalized cancer cells including oncogene activation or tumor suppressor gene inactivation. For example telomerase activation is one way to immortalize cells. But what...

10 October 2018 7,865 6 View

Is Neuro-2a a cancerous cell line?

Hi All, According to ATCC, Neuro-2a is a Mus musculus brain neuroblastoma cell line. Further search totally confused me, because this cell line previously used to study neurite outgrowth,...

09 September 2018 8,011 4 View