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This is termed non-spuriousness, which simply means ânot false.â A spurious or false relationship exists when what appears to be an association between the two variables is actually caused by a third extraneous variable.
Spurious electrolyte disorders refer to an artifactually elevated or decreased serum electrolyte values that do not correspond to their actual systemic levels. When a clinician is confronted with a case of electrolyte disturbance, the first question should be whether it is an artifact.