Table 4

Studies of serum prolactin in syncope. Studies included in analysis

StudySample (total patients)Reference diagnosisExperimental test criteriaComments
18Anzola 199337GTCS v non-convulsive non-cardiac syncope(PRL) v 3 baselineTertiary centre cohort of patients with transient loss of consciousness. “Syncopal” patients = EEG, cardiac and autonomic tests
19Pohlmann-Eden 199395GTCS v non-GTCS (syncope, hypoglycaemic episode, TIAs, pseudoseizure)[PRL] v 3 baselineTertiary centre cohort, multiple alternative reference diagnoses without EEG or description of criteria for diagnosis