MAGNITUDE OF EFFECT
There are many checklists available for the assessment and critical appraisal of diagnostic test studies, as reporting is frequently inadequate
 However, they all include some variation of three critical questions; these are:
Users' guides to the medical literature: XV. How to use an article about disease probability for differential diagnosis. Evidence-Based Medicine Working Group.
Richardson WS, Wilson MC, Guyatt GH, Cook DJ, Nishikawa J.
JAMA. 1999 Apr 7;281(13):1214-9. No abstract available.