Sepsis & infection

Obesity Paradox and Functional Outcomes in Sepsis: A Multicenter Prospective Study

Crit Care MedPublished Prospective observational cohort study

Authors' conclusion

Obesity is associated with higher hospital survival and functional outcomes at discharge in Asian patients with sepsis.

Study context

Population
Adults with sepsis at 19 tertiary referral or university-affiliated hospitals in South Korea, September 2019 to December 2020
Participants
6,424 adults
Exposure
Obese vs nonobese patients with sepsis
  • Obesen = 1,335
  • Nonobesen = 5,089reference
Outcome
In-hospital mortality
Methodological detailsmulticentre, propensity-score matched (1:1)
  • Multicentre
  • Propensity-score matched (1:1)

Main finding

As reported in the abstract

Hospital mortality

P < 0.001

Observational data: associations, not effects.

Further findings

Home discharge rate · after propensity score matching

P < 0.001

Frail patients (CFS ≥ 5) · at discharge · significantly higher in nonobese · after propensity score matching

P = 0.011

Median

OutcomeObeseNonobeseaORP value
Clinical Frailty Scale (CFS) · at dischargeAfter propensity score matching45P = 0.007
Hospital mortality by WHO BMI class (vs normal BMI)Underweight vs Normal BMI1.25P = 0.004
Hospital mortality by WHO BMI class (vs normal BMI)Overweight vs Normal BMI0.58P < 0.001
Hospital mortality by WHO BMI class (vs normal BMI)Obese vs Normal BMI0.70P = 0.047
Frailty at discharge by WHO BMI class (vs normal BMI)Underweight vs Normal BMI1.53P < 0.001
Frailty at discharge by WHO BMI class (vs normal BMI)Overweight vs Normal BMI0.80P = 0.095
Frailty at discharge by WHO BMI class (vs normal BMI)Obese vs Normal BMI0.60P = 0.022

Original publication

Obesity Paradox and Functional Outcomes in Sepsis: A Multicenter Prospective Study. Crit Care Med. Published 9 February 2023. doi:10.1097/ccm.0000000000005801

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