NDLI: Determinants of compulsory hospitalisation at admission and in the course of inpatient treatment in people with mental disorders—a retrospective analysis of health records of the four psychiatric hospitals of the city of Cologne

Content Provider	Springer Nature : BioMed Central
Author	Peters, Sönke Johann Schmitz-Buhl, Mario Karasch, Olaf Zielasek, Jürgen Gouzoulis-Mayfrank, Euphrosyne
Abstract	Background We aimed to identify differences in predictors of involuntary psychiatric hospitalisation depending on whether the inpatient stay was involuntary right from the beginning since admission or changed from voluntary to involuntary in the course of in-patient treatment. Methods We conducted an analysis of 1,773 mental health records of all cases treated under the Mental Health Act in the city of Cologne in the year 2011. 79.4% cases were admitted involuntarily and 20.6% were initially admitted on their own will and were detained later during the course of in-patient stay. We compared the clinical, sociodemographic, socioeconomic and environmental socioeconomic data (ESED) of the two groups. Finally, we employed two different machine learning decision-tree algorithms, Chi-squared Automatic Interaction Detection (CHAID) and Random Forest. Results Most of the investigated variables did not differ and those with significant differences showed consistently low effect sizes. In the CHAID analysis, the first node split was determined by the hospital the patient was treated at. The diagnosis of a psychotic disorder, an affective disorder, age, and previous outpatient treatment as well as the purchasing power per 100 inhabitants in the living area of the patients also played a role in the model. In the Random Forest, age and the treating hospital had the highest impact on the accuracy and decrease in Gini of the model. However, both models achieved a poor balanced accuracy. Overall, the decision-tree analyses did not yield a solid, causally interpretable prediction model. Conclusion Cases with detention at admission and cases with detention in the course of in-patient treatment were largely similar in respect to the investigated variables. Our findings give no indication for possible differential preventive measures against coercion for the two subgroups. There is no need or rationale to differentiate the two subgroups in future studies.
Related Links	https://bmcpsychiatry.biomedcentral.com/counter/pdf/10.1186/s12888-022-04107-7.pdf
Ending Page	15
Page Count	15
Starting Page	1
File Format	HTM / HTML
DOI	10.1186/s12888-022-04107-7
Journal	BMC Psychiatry
Issue Number	1
Volume Number	22
Language	English
Publisher	BioMed Central
Publisher Date	2022-07-14
Access Restriction	Open
Subject Keyword	Psychiatry Psychotherapy Mental Health Act Involuntary admission Machine learning Random Forest CHAID
Content Type	Text
Resource Type	Article
Subject	Psychiatry and Mental Health
Journal Impact Factor	3.4/2023
5-Year Journal Impact Factor	4.2/2023

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