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IMPORTANT: Diagnostic methods used by alternative practitioners are useless + dangerous
We have discussed the diagnostic methods used by practitioners of alternative medicine several times before (see for instance here, here, here, here, here and here). Now a new article has been published which sheds more light on this important issue. The authors point out that the so-called alternative medicine (SCAM) community promote and sell a wide range of tests, many of which are of dubious clinical significance. Many have little or no clinical utility and have been widely discredited, whilst others are established tests that are used for unvalidated purposes. The paper mentions the 4 key factors for evaluation of diagnostic methods: Analytic validity of a test defines its ability to measure accurately and reliably the component of interest. Relevant parameters include analytical accuracy and precision, susceptibility to interferences and quality assurance. Clinical validity defines the ability to detect or predict the presence or absence of an accepted clinical disease or