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  • Title: [Obstetric complications and early-onset schizophrenia: a case-control study].
    Author: Ardizzone I, Marconi A, Nardecchia F.
    Journal: Riv Psichiatr; 2009; 44(2):117-21. PubMed ID: 20066813.
    Abstract:
    AIM: Research has suggested an association between obstetric complications and schizophrenia. METHODS: In this study data based on the obstetric birth case-notes of adolescent patients with diagnosed schizophrenia were compared to those of normal "healthy" same-aged control subjects. RESULTS: Complications involving a clear damaging potential (Level > 4 in the McNeil-Sjöström Scale) were seen significantly more often among cases than control subjects: 7% vs 2%, Fisher's exact test p < 0.04, odds ratio 4, 95%, CI: 1.048-15.26. DISCUSSION: Brain-damaging due to obstetric complications would seem to be a possible antecedent to a diagnosis of schizophrenia. Moreover, results support the evidence that obstetric adversity exerts an independent influence on the age at first presentation with schizophrenia. This finding suggests the existence of a causal relationship between obstetric adversity and age at onset of schizophrenia even if the small samples size limits the power of this study.
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