Time trends in first admission rates for schizophrenia and other psychotic disorders in Taiwan, 1998–2007: a 10-year population-based cohort study

Chiang, Chih-Lin; Chen, Pei–Chun; Huang, Li-Chun; Kuo, Po-Hsiu; Tung, Yu-Chi; Liu, Chen-Chung; Chen, Wei-Jen

doi:10.1007/s00127-016-1326-0

Cited by 28 publications

(19 citation statements)

References 48 publications

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“…As this is based on actual incidence, it may decrease the MP in the total sample. This phenomenon has been observed in Taiwan (Chiang et al, ). In Nottingham, between 1978 and 1999, Kirkbride et al () observed a decrease of the incidence of schizophrenia and an increased incidence of substance‐induced psychotic disorders (and a steady incidence of whole psychotic disorders), which is consistent with the present study.…”

Section: Discussionsupporting

confidence: 53%

Relationship between incidence and prevalence in psychotic disorders: An incidence–prevalence–mortality model

Pignon

Schürhoff

Baudin

et al. 2018

Int J Methods Psych Res

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Section: Discussionsupporting

confidence: 53%

Relationship between incidence and prevalence in psychotic disorders: An incidence–prevalence–mortality model

Pignon

Schürhoff

Baudin

et al. 2018

Int J Methods Psych Res

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“…The largest study in this Article 48 included 69 690 cases, and the smallest study 47 identified eight cases. The middle year of recruitment varied from 1908 44 to 2012, 53 with most citations (105 [59%]) recruiting between approximately 1995 and 2006.…”

Section: Resultsmentioning

confidence: 99%

International incidence of psychotic disorders, 2002–17: a systematic review and meta-analysis

Jongsma

Turner

Kirkbride

et al. 2019

The Lancet Public Health

205

159

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Summary Background The last comprehensive systematic review of the incidence of psychotic disorders was published in 2004. New epidemiological data from different settings now permit a broader understanding of global variation. We examined the variation in psychosis by demographic characteristics and study method. Methods For this systematic review and meta-analysis, we searched PubMed, Embase, Web of Science, PsycINFO, and bibliographies, and directly contacted first authors. We sought to obtain citations of original research published between Jan 1, 2002, and Dec 31, 2017, on incidence of non-organic adult-onset psychotic disorder. We included papers that were published or in grey literature and had no language restrictions. Data were extracted from published reports, where possible, by sex, age, and ethnic group. Quality of yield was assessed. Data were assessed using univariable random-effects meta-analysis and meta-regression. We registered our systematic review on PROSPERO, number CRD42018086800. Findings From 56 721 records identified, 177 met inclusion criteria. The pooled incidence of all psychotic disorders was 26·6 per 100 000 person-years (95% CI 22·0–31·7). Heterogeneity was high ( I 2 ≥98·5%). Men were at higher risk of all psychotic disorders (incidence rate ratio 1·44 [1·27–1·62]) and non-affective disorders (1·60 [1·44–1·77]) than women, but not affective psychotic disorders (0·87 [0·75–1·00]). Ethnic minorities were also at excess risk of all psychotic disorders (1·75 [1·53–2·00]), including non-affective disorders (1·71 [1·40–2·09]). Meta-regression revealed that population registers reported higher rates of non-affective disorders (9·64 [2·72–31·82]), schizophrenia (2·51 [1·24–5·21]), and bipolar disorder (4·53 [2·41–8·51]) than first contact study designs. Interpretation We found marked variation in incidence of psychotic disorders by personal characteristics and place. Some geographical variation could be partially explained by differences in case ascertainment methods. Funding None.

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“…Based upon the health insurance claims data, patients included in this study were diagnosed with code F20 of International Classification of Diseases, 10th Revision (ICD-10). Patients who were not diagnosed with F20-29 in 2011–2013 but were then diagnosed with F20 after 2014 were defined as having first-episode schizophrenia for the purpose of this study [ 20 ]. The medications prescribed for each patient were found in the detailed drug statement.…”

Section: Methodsmentioning

confidence: 99%

Risk factors for relapse in patients with first-episode schizophrenia: Analysis of the Health Insurance Review and Assessment Service data from 2011 to 2015

Lee

Soh

Ryu

et al. 2018

Int J Ment Health Syst

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BackgroundSchizophrenia is a recurrent, debilitating disease that is rarely curable. Rapid intervention after the first episode of schizophrenia has been shown to positively affect the prognosis. Unfortunately, basic data is scarce on first-episode schizophrenia in Korean patients making it difficult to create a comprehensive list of risk factors for relapse. This study aims to investigate the demographic characteristics and institutional factors of patients with first-episode schizophrenia in order to identify risk factors for relapse.MethodsData from the Health Insurance Review & Assessment Service (HIRA) was used for this study to represent the Korean patient population. To identify factors affecting relapse, we explored gender, age, geographic location, medical benefits, type of medical institution, type of medication used, medication adherence, and the severity of symptoms. Data analysis was performed using the Cox proportional hazard model.ResultsThe number of patients diagnosed with first-episode schizophrenia in Korea over a 2-year period was 4567 of which 1265 (27.7%) patients experienced a relapse during the observational period. Factors affecting relapse included age, type of medical institution, type of medication used, medication adherence, and type of treatment (inpatient or outpatient) after the initial diagnosis, which varied depending upon the severity of symptoms.ConclusionsIt was found that environmental and institutional factors as well as the type of medical treatment were crucial in determining whether patients with first-episode schizophrenia subsequently relapsed. The results of this study can be utilized as source material for directing therapeutic interventions and improving mental health policies in the future.

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Time trends in first admission rates for schizophrenia and other psychotic disorders in Taiwan, 1998–2007: a 10-year population-based cohort study

Cited by 28 publications

References 48 publications

Relationship between incidence and prevalence in psychotic disorders: An incidence–prevalence–mortality model

Relationship between incidence and prevalence in psychotic disorders: An incidence–prevalence–mortality model

International incidence of psychotic disorders, 2002–17: a systematic review and meta-analysis

Risk factors for relapse in patients with first-episode schizophrenia: Analysis of the Health Insurance Review and Assessment Service data from 2011 to 2015

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