Sepsis & infection

Mortality analysis among sepsis patients in and out of intensive care units using the Japanese nationwide medical claims database: a study by the Japan Sepsis Alliance study group

J Intensive CarePublished Retrospective cohort study

Main finding · In-hospital mortality (propensity score matched)Result — go to the resultDifference [Formula: see text] 3.4% 95% CI [Formula: see text] 3.7 to [Formula: see text] 3.1

Authors' conclusion

Herein, using the nationwide medical claims database, we demonstrated that ICU admission was potentially associated with decreasing in-hospital mortality among sepsis patients.

Study context

Population
Adults aged over 20 years with presumed serious infection and organ failure (sepsis), Japan nationwide medical claims database, 2010 to 2017
Participants
1,167,901 adults
Exposure
Intensive care unit (ICU) vs non-ICU management
  • ICUn = 193,612
  • Non-ICUn = 974,289reference
Outcome
In-hospital mortality
Methodological detailsnationwide medical claims database, propensity score matching, multivariable logistic regression
  • Nationwide medical claims database
  • Propensity score matching
  • Multivariable logistic regression

Main finding

In-hospital mortality (propensity score matched)

Difference

[Formula: see text] 3.4%

95% CI [Formula: see text] 3.7 to [Formula: see text] 3.1

By group

As reported in the abstract

Observational data: associations, not effects.

Further findings

OutcomeICUNon-ICUDifference (95% CI)
In-hospital mortality, unadjustedUnadjusted26.2%22.5%3.7% (3.5–3.9)
OutcomeMortality difference (95% CI)
In-hospital mortality, adults 20 ≤ age ≤ 64 (sensitivity analysis)Sign printed as formula · sensitivity analysis2.7% ([Formula: see text] 3.3 to [Formula: see text] 2.2)
In-hospital mortality, independent patients (sensitivity analysis)Sign printed as formula · sensitivity analysis5.8% ([Formula: see text] 6.4 to [Formula: see text] 5.2)
In-hospital mortality, patients without malignant tumors (sensitivity analysis)Sign printed as formula · sensitivity analysis1.3% ([Formula: see text] 1.7 to [Formula: see text] 1.0)

In-hospital mortality, multivariable logistic regression analysis

In-hospital mortality difference with multivariable regression, comparable with propensity score matching results (sign printed as formula)
5.0% [95% CI [Formula: see text] 5.2 to [Formula: see text] 4.8]

Original publication

Mortality analysis among sepsis patients in and out of intensive care units using the Japanese nationwide medical claims database: a study by the Japan Sepsis Alliance study group. J Intensive Care. Published 7 January 2023. doi:10.1186/s40560-023-00650-x

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