Skip to Main Content

Evidence Based Medicine : EBM/Clinical Statistics

Calculating EBM statistics

Numbers Needed to Treat

How to calculate the number-needed-to-treat
Terry Shaneyfelt, UAB School of Medicine
Number needed to treat
BMJ. 2010;341:c5614
Numbers needed to treat
CEBM (Oxford)
Relative risk reduction, absolute risk reduction and number needed to treat
CMAJ. 2004;171(4):353-8

Risk/Odds

How to calculate relative risk reduction
Terry Shaneyfelt, UAB School of Medicine
How to interpret and use a relative risk and an odds ratio
Terry Shaneyfelt, UAB School of Medicine
Relative risk reduction, absolute risk reduction and number needed to treat
CMAJ. 2004;171(4):353-8
Understanding odds ratios
McMaster Evidence-Based Practice Workshops
Odds ratios
BMJ. 2010;341:c4414

Intention-to-Treat Anaylsis

Intention-to-treat analysis: What is it and why is it important?
Terry Shaneyfelt, UAB School of Medicine
What is intention-to-treat analysis?
Allen Shaughnessy
What is intention to treat analysis?
BMJ. 2013;346:f3662

Confidence Intervals

Measures of precision (confidence intervals)
CMAJ. 2004;171(6):611-5

Forest Plots/Systematic Reviews

How to interpret a forest plot
Terry Shaneyfelt, UAB School of Medicine
Interpreting and understanding meta-analysis graphs: a practical guide
Aust Fam Physician. 2006:35(8):635-8
Assessing heterogeneity of primary studies in systematic reviews and whether to combine their results
CMAJ. 2005;172(5):661-5

Sensitivity, Specificity and Likelihood ratios

SpPin and SnNout
CEBM (Oxford)
Pretest Probability
CEBM (Oxford)
Likelihood ratios
CEBM (Oxford)
Sensitivity & specificity
H. Gilbert Welch, Dartmouth Institute for Health Policy & Clinical Practice
How to calculate sensitivity
Terry Shaneyfelt, UAB School of Medicine
How to calculate specificity
Terry Shaneyfelt, UAB School of Medicine
What are likelihood ratios and how are they used
Terry Shaneyfelt, UAB School of Medicine

EBM Calculators

EBM and Decision Tools
Alan Schwartz
EBM Calculators
Knowledge Translation Program
Diagnostic Test Calculator
UIC
CATMaker and EBM Calculators
CEBM Oxford

Clinical Statistics Resources

Guide to Biostatistics
MedPage Today
Statistic for Clinicians
Annals of Allergy, Asthma & Immunology

Basic Statistics for Clinicians Series (CMAJ)

How to Read a Paper Series (BMJ)

Books of Note on Clinical Statistics

Basic Skills In Statistics A Guide For Healthcare Professionals
Available online for UW students and staff
Essential Medical Statistics
Available online for UW students and staff
Painless Evidence-Based Medicine
Available online for UW students and staff
Statistics in Clinical Practice
Available online for UW students and staff
Statistics in Medicine
Available online for UW students and staff
Statistics Toolkit
BMJ Books
Statistics Workbook for Evidence-based Health Care
Available online for UW students and staff

Last Updated: Sep 27, 2023 11:39 AM
URL: https://researchguides.library.wisc.edu/ebm
Print Page