In discussion with the Specialty Registrars’ Committee, it has been agreed to publish a formulae
sheet to support those taking the Diplomate exam. This list of formulae will be available to
candidates in all four papers from the March 2023 as an information tab within the test platform.
The list of formulae that will be provided can be found below, and the full equations for each of
those that will be made available will be published on the exam website towards the end of
December 2022 and included in the candidate pack.
Formulae
• Attributable fraction
• Standard error
• Confidence interval of a proportion
• Confidence interval for a difference in proportions
• Chi Square for a 2x2 table
• McNemar's test
• Confidence interval for Standardised Mortality Ratio
• Confidence interval for the mean
• Vaccine efficacy
• Variance
• Standard deviation
• Population attributable risk
• Population attributable fraction
Prof. Richard Holland (Chair, Diplomate Exam Development Committee, FPH)
Dr Derek Ward (Chair, Diplomate Exam, FPH)
Thank you: The DFPH Examiners would like to thank and acknowledge the contributions of members
of the Specialty Registrars’ Committee for their help with these changes, particularly Fatai Ogunlayi
and Cat Pinho-Gomes
