The Japanese Intensive care PAtient Database (JIPAD): A national intensive care unit registry in Japan

J Crit Care. 2020 Feb:55:86-94. doi: 10.1016/j.jcrc.2019.09.004. Epub 2019 Oct 25.


Purpose: The Japanese Intensive care PAtient Database (JIPAD) was established to construct a high-quality Japanese intensive care unit (ICU) database.

Materials and methods: A data collection structure for consecutive ICU admissions in adults (≥16 years) and children (≤15 years) has been established in Japan since 2014. We herein report a current summary of the data in JIPAD for admissions between April 2015 and March 2017.

Results: There were 21,617 ICU admissions from 21 ICUs (217 beds) including 8416 (38.9%) for postoperative or procedural monitoring, defined as adult admissions following elective surgery or for procedures and discharged alive within 24 h, 11,755 (54.4%) critically ill adults other than monitoring, and 1446 (6.7%) children. The standardized mortality ratios (SMRs) based on the Acute Physiology and Chronic Health Evaluation (APACHE) III-j, APACHE II, and Simplified Acute Physiology Score II scores in adults ranged from 0.387 to 0.534, whereas the SMR based on the Paediatric Index of Mortality 2 in children was 0.867.

Conclusion: The data revealed that the SMRs based on general severity scores in adults were low because of high proportions of elective and monitoring admission. The development of a new mortality prediction model for Japanese ICU patients is needed.

Keywords: Database; ICU admission; Monitoring; Mortality prediction model; National registry; Standardized mortality ratio.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adolescent
  • Adult
  • Aged
  • Child
  • Computer Communication Networks
  • Critical Illness / mortality*
  • Data Collection
  • Databases, Factual*
  • Electronic Health Records
  • Female
  • Hospital Mortality*
  • Hospitalization
  • Humans
  • Intensive Care Units / statistics & numerical data*
  • Internet
  • Japan / epidemiology
  • Male
  • Middle Aged
  • Patient Admission
  • Postoperative Period
  • Quality of Health Care
  • Registries*
  • Young Adult