Development of a risk stratification scoring system for deep vein thrombosis upon psychiatric admission

Takuto Ishida, Keita Shibahashi, Shuhei Sugai, Daiju Abe, Yuichi Hamabe, Tetsuya Kashiyama, Masaru Mimura, Takefumi Suzuki, Hiroyuki Uchida

Research output: Contribution to journalArticlepeer-review

Abstract

Aim: Psychiatric patients have increased risk of deep vein thrombosis (DVT). However, there is no systematic data on risk assessment of DVT among psychiatric inpatients. The aim of this study was to develop a risk stratification scoring system for DVT among psychiatic patients on admission. Methods: A systematic review of psychiatric patient's charts, who were admitted to the Tokyo Metropolitan Matsuzawa Hospital from June 2012 to February 2016 and underwent screening for DVT, was conducted. Patients were randomly divided into development (n = 2634) and validation (n = 2634) groups. Estimated risk values in the multiple logistic regression model for the development sample were rounded to the nearest integer, and used as points of associated factors in the risk stratification scoring system; the total scores were tested in the validation sample. The score's discriminatory ability was assessed with the area under the receiver operating characteristic curve (AUC). Results: Among the 5268 patients, 258 (4.9%) had DVT. Advancing age, female sex, active cancer, previous venous thromboembolism, transfer from a general hospital, catatonia, and major depressive episode were all significantly associated with the presence of DVT in the development sample. The total score showed good discriminatory ability in the validation sample (AUC: 0.816, 95% confidence interval: 0.781–0.851); scores of 0–1, 2–3, 4–5, and ≥ 6 were associated with very low risk (0.7%), low risk (4.6%), moderate risk (14.9%), and high risk (35%) for DVT, respectively. Conclusion: Our risk stratification scoring system showed good performance for detection of DVT among psychiatric patients on admission.

Original languageEnglish
Article number110540
JournalJournal of Psychosomatic Research
Volume147
DOIs
Publication statusPublished - 2021 Aug

Keywords

  • Deep vein thrombosis
  • Inpatient
  • Psychiatric hospital
  • Pulmonary embolism
  • Risk score

ASJC Scopus subject areas

  • Clinical Psychology
  • Psychiatry and Mental health

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