Topics covered:

  • Diagnostic Accuracy, Sensitivity & Specificity Explained
  • The Clinical Value of Sensitivity & Specificity and the Predicative Values
  • Overall Measures & The Likelihood Ratios
  • Clinical Reasoning with Diagnostic Accuracy
  • Advanced Reasoning, Probability Manipulation & use of sequential tests
    • Two assignments
    • One quiz


Scientific Papers: 6

This course is intended for all clinicians and students undergoing physiotherapy, medicine and other health-related training.

It starts with an introduction to diagnostics as a separate science from therapeutics. Diagnostics has its own conceptual framework and statistical measures. Fortunately, these do not require more than simple mathematics, and the use of an electronic spreadsheet.

The origin of data from diagnostic accuracy studies is described and the international standard for reporting of results is introduced. This is the STARD 2015 document. The concepts of reference standard and index tests, the 2X2 contingency table are introduced. A simple electronic spreadsheet is provided, but the calculation of sensitivity, specificity and predictive values from the 2X2 contingency table is presented graphically and is easily followed.

The clinical value of sensitivity, specificity and predictive values is covered in detail, and the effect of prevalence on them is explained. The positive and negative likelihood ratios are described, and you learn how to interpret these, calculate pre and post-test probabilities then use them correctly in a clinical setting.

Diagnosis is explained as a sequential, integrated process that involves pattern recognition, ruling in and ruling out possible diagnoses. Though the course starts with very simple concepts, by the end of the 5th lesson you will understand how sequential reasoning and the use of multiple clinical tests are validated and used in routine clinical settings.

There are some practical assignments on real data and published papers to help cement the course content and you can do the quizzes to test your understanding.

Approximate learning hours: 8

More About This Course....

  • Video presentations

    Engaging audiovisual video presentation.

  • Slide Handouts & Scientific Papers

    Download and keep a copy of the Slide handouts and scientific papers

  • Quiz

    Test your understanding and find areas for review.

  • Study Time

    8 hours (approx)

  • CPD Certificate Provided

    Download your CPD certificate on completion.

  • Access to online course

    12 months

Instructor

Instructor Dr Mark Laslett

PhD, NZRPS, FNZCP, Dip.MT, Dip.MOT

Physiotherapy Specialist Musculoskeletal

Mark has over 50 years of clinical experience in musculoskeletal practice. He completed his PhD in “Diagnostic accuracy of the clinical examination compared to available reference standards in chronic low back pain patients” at the University of Linköping, Sweden in 2001 and in 2014 he became the first Specialist Physiotherapist registered in New Zealand.

His academic and research interest is in the theory and practice of diagnostics, has over 40 publications, contributed chapters to two multi-author books and published his own text Mechanical Diagnosis and Therapy: The Upper Limb in 1996.

He became a Fellow of the New Zealand College of Physiotherapy in 2007, was made an honorary Life Member of Physiotherapy New Zealand in September 2014, and of the New Zealand Manipulative Physiotherapists Association in 2015.

He continues to practice as a consultant clinician in Christchurch, NZ and remains active in clinical research.

More info about Mark Laslett: https://www.marklaslett.nz/

Mark’s publications: https://www.researchgate.net/profile/Mark-Laslett