[Prognostic factors for schizophrenia during first psychotic episode].

Objective: Reviewing the available literature regarding prognosis for first psychotic episode for developing schizophrenia.

Method: A systematic review of studies which have evaluated prognostic determinants for the first psychotic episode and its relationship to schizophrenia was made.

Results: 161 articles were reviewed which fulfilled the search criteria and which were adjusted to the purpose of the study.