Systematic Literature Review and Meta Analysis

Systematic literature review with meta analysis is one of the most important methods used to review the scientific evidence on a topic. It starts with a literature search. If you're in the medical world, that might mean using PubMed (but there are other search engines). The selected studies need to be appraised. Appraisal of papers is important because different study types may provide different strengths of evidence. So Randomised Control Trials (RCTs) provide very strong evidence while case control studies weak evidence. Meta analysis is the most common method to synthesise quantitative data. The synthesis is usually presented as a forrest plot. So if you're doing a PhD or any other research, doing a lit review is an important first step.
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This channel posts global health and public health teaching videos and videos about how to find the right job in global health. If you haven't already, please consider subscribing to this channel and becoming part of this community. The channel also provides teaching on research methods, statistical analysis and how to write and publish a scientific paper.
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[@gregmartin]

Get my FREE cheat sheets for Public Health, Epidemiology, Research Methods and Statistics (including transcripts of these lessons) here: www.learnmore365.com/courses/public-health-epidemiology-research-methods-and-statistics-resource-library

[@corinthiawilkerson]

This is the most concise and comprehensive explanation of systematic review and meta-analysis I've ever seen. Thank you!

[@RestonRichard]

Dr. Martin is the best teacher I have ever seen. He is gifted beyond measure, in my view, in simply and clearly presenting even the most complex topics. I can't recommend enough that all students of public and global health follow his videos. I do ... after spending 45 years working in global health and can't thank Dr. Martin enough for all I learn from him.

[@gregmartin]

Thanks for that very kind comment Richard. A comment like that, from the man who wrote Global Health 101 is humbling beyond words.

[@gregmartin]

Thanks to Nested Knowledge for the support

[@inge-ingenisiakatjiuongua8832]

You earned a new subscriber. Thanks so much for this brief and clear explanation. I always wanted to understand the relationship between systematic literature review and Meta Analysis and this video did me a big favour.

[@gregmartin]

Thrilled to have you on board! So glad the explanation clarified things for you. Welcome to the community, and thanks for subscribing!

[@japhettetsofack1795]

Thanks a lot for this very clearly presented content. It has been quite helpful for me, since I am currently writing a literature review.

[@gregmartin]

Glad it was helpful! I appreciate the feedback, Japhette :)

[@cassieluv7869]

This is great content 👌🏾 Thanks for sharing. I am subscribed to your Learn More 365 course and I am learning a lot!

[@gregmartin]

Thanks very much for the feedback Cassie. Much appreciated. Glad you are finding the content useful.

[@microbiologistnishantgupta]

Thanks a lot Doctor

[@gregmartin]

Always welcome - thanks for watching!

[@Aischa125]

I have a question regarding a systematic review I want to conduct. I want to analyse both qualitative and quantitative studies as there aren't many RCTs on the subject I am researching. Should I do a mixed-method, convergent style systematic review combining a qualitative approach and using the PICO format and possibly a meta-analysis, then using the qualitative research to do an etiology review section using PEO (Population, Exposure and Outcome). Is this normally done or am I making it up and would you recommend it?

[@biochem8041]

Awesome

[@gregmartin]

Glad you liked it thank you.

[@nikkihuang7635]

awesome explanations, thank you!

[@gregmartin]

Glad it was helpful! You're welcome :)

[@RodBarkerdigitalmediablog]

Thanks Greg for explaining in detail how to do a systematic literature review and meta-analysis. The last chart you show - at the bottom of it says, Favours duel chamber \ Favours ventricular. Can you tell me what this is please?

[@gregmartin]

Thanks for the question Rod. Those are the two interventions being compared in that review.

[@kajalkumari-lt1rs]

Great ❤❤

[@clueless2135]

Can I get you to do my lit review?

[@Asantewarrior]

great video

[@gregmartin]

Thank you!

[@bihonabera6134]

Thank you

[@gregmartin]

You're welcome! Thanks for watching.

[@mebatube766]

the lecture is still important but you have to be carfule about speed of speech. your way of speech specially the speed of the speaker was not inclusive for who are the speakers of english as a scond language.

[@gregmartin]

Thank you for the feedback.

[@shonacorgo2718]

You can also change the play speed :)