On determining the sensitivity and specificity of a new diagnostic test through comparing its results against a non-gold-standard test

Farrokh Habibzadeh

Lessons in biostatistics, Volume 33, February, Issue 1

KEYWORDS: biostatistics; diagnostic tests; prevalence; sensitivity and specificity

https://doi.org/10.11613/BM.2023.010101

Determining the SARS-CoV-2 serological immunoassay test performance indices based on the test results frequency distribution

Farrokh Habibzadeh, Parham Habibzadeh, Mahboobeh Yadollahie, Mohammad M. Sajadi

Original articles, Volume 32, June, Issue 2

KEYWORDS: COVID-19 testing; serologic tests; sensitivity; specificity; diagnostic tests

https://doi.org/10.11613/BM.2022.020705

The apparent prevalence, the true prevalence

Farrokh Habibzadeh, Parham Habibzadeh, Mahboobeh Yadollahie

Lessons in biostatistics, Volume 32, June, Issue 2

KEYWORDS: seroepidemiologic studies; prevalence; sensitivity; specificity; diagnostic tests

https://doi.org/10.11613/BM.2022.020101

Rate of re-positive RT-PCR test among patients recovered from COVID-19

Parham Habibzadeh, Mohammad M. Sajadi, Amir Emami, Mohammad Hossein Karimi, Mahboobeh Yadollahie, Maryam Kucheki, Sahar Akbarpoor, Farrokh Habibzadeh

Letter to the editor, Volume 30, October, Issue 3

KEYWORDS: COVID-19; RT-PCR; laboratory test

https://doi.org/10.11613/BM.2020.030401

The likelihood ratio and its graphical representation

Farrokh Habibzadeh, Parham Habibzadeh

Lessons in biostatistics, Volume 29, June, Issue 2

KEYWORDS: ROC curve; diagnostic tests; likelihood ratio

https://doi.org/10.11613/BM.2019.020101

Predatory journals and their effects on scientific research community

Farrokh Habibzadeh, Ana-Maria Simundic

Research integrity corner: Special issue on predatory journals, Volume 27, June, Issue 2

https://doi.org/10.11613/BM.2017.028

On determining the most appropriate test cut-off value: the case of tests with continuous results

Farrokh Habibzadeh, Parham Habibzadeh, Mahboobeh Yadollahie

Lessons in biostatistics, Volume 26, October, Issue 3

KEYWORDS: ROC curve; diagnostic tests; sensitivity; specificity; prevalence

https://doi.org/10.11613/BM.2016.034

What’s in a name, anyway?

Farrokh Habibzadeh

Research integrity corner, Volume 26, June, Issue 2

KEYWORDS: authorship; journal software system; editorial policy

https://doi.org/10.11613/BM.2016.019