Table 4.

Good practice recommendations for repeating validation studies of diagnostic criteria. ²⁶

The criteria questions and examination protocols should be used exactly as recommended and not modified

Translation should follow recommended guidance and the procedure should be documented

The criteria should be tested in the setting in which they are meant to be used

Those acting as assessors for criteria or who are acting as reference standards for the clinical diagnosis should be blinded to the criteria being tested

There should be some reassurance that the clinician(s) acting as the reference standard are comparable with other international clinicians in their concept of what constitutes that condition