Blog

Evidence-based thinking and why it matters
Views expressed may represent the views of the author and not necessarily those of CEBM as a group

Tip for data extraction for meta-analysis - 6

Kathy Taylor

How do you calculate a standard error of a beta coefficient?

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Tip for data extraction for meta-analysis - 5

Kathy Taylor

What can you do when a study reports a beta coefficient instead of a hazard ratio?

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Medical student blog - Systematic Review Signals

Bavidra Kulendrarajah & Adam Grey

The combination of these two outcomes has made this a really worthwhile experience, and one we would highly recommend to our colleagues considering where to spend their time on the special studies module.

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Thinking about meta-synthesis and its proliferation over recent years

Stephanie Tierney

The range of approaches to meta-synthesis has proliferated over recent decades…

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Numbers don’t count – methods do

Veronika Williams, Anne-Marie Boylan, David Nunan

Why we need to reshape critical appraisal and develop tools that allow differentiated evaluations of the myriad of qualitative methodological approaches

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Tip for data extraction for meta-analysis - 4

Kathy Taylor

I’ll look at a different study design, prognostic studies, and consider a problem with extracting hazard ratios, relative risks and odds ratios. I’ll focus on hazard ratios, but my tip will also apply to relative risks and odds ratios.

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Logarithms and log-transformations

Kathy Taylor

Logarithms (frequently referred to as ‘logs’) are often used in statistics.

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Bacterial skin infections in older adults – don’t make a rash diagnosis…

Kome Gbinigie

Most of the research on the way that bacterial skin infections present in older adults has been performed in hospital–based studies. Together with a team of researchers at the Nuffield Department of Primary Care Health Sciences, Oxford, we decided to find out what research has been done in this area in the community setting so that the findings would be relevant to GPs.

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Tip for data extraction in meta-analysis - 3

Kathy Taylor

What if the sensitivity or specificity is also not reported?

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What have qualitative systematic reviews ever done for us?

Stephanie Tierney and Kamal R Mahtani

Systematic reviews of quantitative research are a staple of decision-making for those providing and commissioning services.

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Tip for data extraction in meta-analysis - 2

Kathy Taylor

What if the prevalence is also not reported?

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How can we get value-based healthcare?

Louise Hurst

Getting the health outcomes we want depends on how we allocate and use the resources available…

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Oral hormone pregnancy tests and the risks of congenital malformations: a patient perspective

Marie Lyon

Marie, Chair of the Association for Children Damaged by Hormone Pregnancy Tests, responds to the publication of a systematic review on oral hormone pregnancy tests and the risks of congenital malformations.

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Tip for data extraction in meta-analysis - 1

Kathy Taylor

What can you do if the 2×2 classification table in a diagnostic accuracy study is not reported?

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Do you find data extraction in meta-analysis frustrating?

Kathy Taylor

A new blog series offering tips for data extraction.

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