The incidence rate of first-episode psychosis in a defined catchment area of Nagasaki in Japan
| Project/Area Number |
23591715
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Psychiatric science
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| Research Institution | Nagasaki University |
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Principal Investigator |
NAKANE Hideyuki 長崎大学, 医歯(薬)学総合研究科, 教授 (90274795)
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| Co-Investigator(Kenkyū-buntansha) |
TANAKA Goro 長崎大学, 医歯(薬)学総合研究科, 教授 (00253691)
KINOSHITA Hirohisa 長崎大学, 大学病院, 講師 (10380883)
ICHINOSE Hitoshi 長崎大学, 大学病院, 助教 (60404216)
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| Project Period (FY) |
2011 – 2013
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| Project Status |
Completed (Fiscal Year 2013)
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| Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2013: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2012: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2011: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
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| Keywords | 統合失調症 / 社会精神医学 / 発症率 / 疫学 / 精神医学 / 疫学研究 / 発症 / 精神神経科学 |
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| Research Abstract |
The aim of this study was to evaluate the incidence rate of FEP in Nagasaki. We conducted a cohort study over one-year period (from August 2011 to July 2012). The catchment area was Nagasaki City. Subjects were individuals with psychosis who visited psychiatric facilities for the first time. A total of 25 individuals were identified as novel FEP. The estimated annual incidence rate was 0.76 per 10,000 persons (total statistical analysis has not been completed). The median and mean duration of untreated psychosis (DUP) was 49 days and 1278 days, respectively. Compared to findings of recent studies, the incidence rate of our study was low. Difficulty to obtain consent of patients might bring leakage of FEP and reduce the incidence rate. Methodological improvement on case identification and retrospective survey for leakage cases are needed.
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Report
(4 results)
Research Products
(5 results)
