Predicting the length of hospital stay of psychiatry patients using signal detection analysis

Fase Badriah, Takeru Abe, Yoshihiro Nabeshima, Kouji Ikeda, Kenji Kuroda, Akihito Hagihara*

*この研究の対応する著者

研究成果: Article査読

6 被引用数 (Scopus)

抄録

In Japan, the length of hospital stay (LOS) at psychiatric institutions often exceeds a year, and factors related to such stays have been identified. However, we do not know how multiple patient, hospital, and physician factors interact to determine LOS. Patient data were collected from a psychiatric hospital in Osaka, Japan. We developed subgroups, which were determined by interactions related to LOS using signal detection theory. In acute or emergency wards, five factors related to LOS were identified, and subjects were categorized into six subgroups. The indices obtained by the five factors ranged 2.49-3.47 for odds ratio, 0.47-0.84 for sensitivity, 0.40-0.76 for specificity, and 0.52-0.71 for positive predictive value. In general wards, five factors related to LOS were identified, and subjects were categorized into six subgroups. The indices obtained by the five factors ranged 3.02-5.36 for odds ratio, 0.58-0.86 for sensitivity, 0.37-0.68 for specificity, and 0.85-0.92 for positive predictive value. Psychiatrists who have been practicing longer in acute or emergency wards appear to have significantly longer stay of patients, and older or more severe patients tend to be in need of longer inpatient care. Our results provide findings that may be helpful in decreasing LOS at psychiatric hospitals.

本文言語English
ページ(範囲)1211-1218
ページ数8
ジャーナルPsychiatry Research
210
3
DOI
出版ステータスPublished - 2013 12 30

ASJC Scopus subject areas

  • 精神医学および精神衛生
  • 生物学的精神医学

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