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Do psychiatric registries include all persons with schizophrenia in the general population? A population-based longitudinal study.
Schizophr Res. 2012 Mar; 135(1-3):187-91.SR

Abstract

BACKGROUND

Psychiatric hospitalization registries are utilized to investigate the incidence and prevalence of schizophrenia for both research and administrative purposes. The assumption behind this is that most individuals with schizophrenia will be hospitalized at least once in their life-time.

METHOD

In an epidemiological survey conducted in the 1980s, a population-based sample (n = 4914) of Israel-born individuals then aged 25-34 were screened in the community, and 29 (0.6%) were subsequently diagnosed by psychiatrists using SADS/RDC criteria. Twenty four years later we linked data from the epidemiological survey with the Israeli National Psychiatric Hospitalization Registry.

RESULTS

Twenty seven of the 29 individuals (93%) diagnosed with schizophrenia in the survey were identified in the hospitalization registry with the same diagnosis. Fifty-two (1.0%) participants not diagnosed during the survey with schizophrenia were identified in the psychiatric hospitalization registry 24 years later with schizophrenia. The majority of them were diagnosed with other psychiatric disorders in the survey. If all diagnoses of schizophrenia are accepted at face value, the lifetime prevalence rate would be 1.8% for this cohort.

CONCLUSION

The overwhelming majority of individuals diagnosed with schizophrenia at ages 25-34 in an epidemiological survey were present in the Psychiatric Hospitalization Registry. However, the assessment of life-time rates of schizophrenia at these ages is problematic because some future cases are asymptomatic, others have premorbid non-psychotic disorders, while in others it is difficult to differentiate between affective disorders and schizophrenia. Availability of psychiatric services and hospitalization policy must be considered when generalizing these findings to other countries.

Authors+Show Affiliations

Department of Psychiatry, Sheba Medical Center, Tel-Hashomer, Israel. mweiser@netvision.net.ilNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

22260965

Citation

Weiser, Mark, et al. "Do Psychiatric Registries Include All Persons With Schizophrenia in the General Population? a Population-based Longitudinal Study." Schizophrenia Research, vol. 135, no. 1-3, 2012, pp. 187-91.
Weiser M, Werbeloff N, Dohrenwend BP, et al. Do psychiatric registries include all persons with schizophrenia in the general population? A population-based longitudinal study. Schizophr Res. 2012;135(1-3):187-91.
Weiser, M., Werbeloff, N., Dohrenwend, B. P., Levav, I., Yoffe, R., & Davidson, M. (2012). Do psychiatric registries include all persons with schizophrenia in the general population? A population-based longitudinal study. Schizophrenia Research, 135(1-3), 187-91. https://doi.org/10.1016/j.schres.2011.12.023
Weiser M, et al. Do Psychiatric Registries Include All Persons With Schizophrenia in the General Population? a Population-based Longitudinal Study. Schizophr Res. 2012;135(1-3):187-91. PubMed PMID: 22260965.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Do psychiatric registries include all persons with schizophrenia in the general population? A population-based longitudinal study. AU - Weiser,Mark, AU - Werbeloff,Nomi, AU - Dohrenwend,Bruce P, AU - Levav,Itzhak, AU - Yoffe,Rinat, AU - Davidson,Michael, Y1 - 2012/01/17/ PY - 2011/11/07/received PY - 2011/12/12/revised PY - 2011/12/28/accepted PY - 2012/1/21/entrez PY - 2012/1/21/pubmed PY - 2012/6/27/medline SP - 187 EP - 91 JF - Schizophrenia research JO - Schizophr Res VL - 135 IS - 1-3 N2 - BACKGROUND: Psychiatric hospitalization registries are utilized to investigate the incidence and prevalence of schizophrenia for both research and administrative purposes. The assumption behind this is that most individuals with schizophrenia will be hospitalized at least once in their life-time. METHOD: In an epidemiological survey conducted in the 1980s, a population-based sample (n = 4914) of Israel-born individuals then aged 25-34 were screened in the community, and 29 (0.6%) were subsequently diagnosed by psychiatrists using SADS/RDC criteria. Twenty four years later we linked data from the epidemiological survey with the Israeli National Psychiatric Hospitalization Registry. RESULTS: Twenty seven of the 29 individuals (93%) diagnosed with schizophrenia in the survey were identified in the hospitalization registry with the same diagnosis. Fifty-two (1.0%) participants not diagnosed during the survey with schizophrenia were identified in the psychiatric hospitalization registry 24 years later with schizophrenia. The majority of them were diagnosed with other psychiatric disorders in the survey. If all diagnoses of schizophrenia are accepted at face value, the lifetime prevalence rate would be 1.8% for this cohort. CONCLUSION: The overwhelming majority of individuals diagnosed with schizophrenia at ages 25-34 in an epidemiological survey were present in the Psychiatric Hospitalization Registry. However, the assessment of life-time rates of schizophrenia at these ages is problematic because some future cases are asymptomatic, others have premorbid non-psychotic disorders, while in others it is difficult to differentiate between affective disorders and schizophrenia. Availability of psychiatric services and hospitalization policy must be considered when generalizing these findings to other countries. SN - 1573-2509 UR - https://www.unboundmedicine.com/medline/citation/22260965/Do_psychiatric_registries_include_all_persons_with_schizophrenia_in_the_general_population_A_population_based_longitudinal_study_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0920-9964(11)00676-1 DB - PRIME DP - Unbound Medicine ER -