Sex-specific outcome disparities in very old patients admitted to intensive care medicine: a propensity matched analysis.

Wernly, Bernhard; Bruno, Raphael Romano; Kelm, Malte; Boumendil, Ariane; Morandi, Alessandro; Andersen, Finn H; Artigas, Antonio; Finazzi, Stefano; Cecconi, Maurizio; Christensen, Steffen; Faraldi, Loredana; Lichtenauer, Michael; Muessig, Johanna M; Marsh, Brian; Moreno, Rui; Oeyen, Sandra; Öhman, Christina Agvald; Pinto, Bernado Bollen; Soliman, Ivo W; Szczeklik, Wojciech; ... (2020). Sex-specific outcome disparities in very old patients admitted to intensive care medicine: a propensity matched analysis. Scientific reports, 10(1), p. 18671. Springer Nature 10.1038/s41598-020-74910-3

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Female and male very elderly intensive patients (VIPs) might differ in characteristics and outcomes. We aimed to compare female versus male VIPs in a large, multinational collective of VIPs with regards to outcome and predictors of mortality. In total, 7555 patients were included in this analysis, 3973 (53%) male and 3582 (47%) female patients. The primary endpoint was 30-day-mortality. Baseline characteristics, data on management and geriatric scores including frailty assessed by Clinical Frailty Scale (CFS) were documented. Two propensity scores (for being male) were obtained for consecutive matching, score 1 for baseline characteristics and score 2 for baseline characteristics and ICU management. Male VIPs were younger (83 ± 5 vs. 84 ± 5; p < 0.001), less often frail (CFS > 4; 38% versus 49%; p < 0.001) but evidenced higher SOFA (7 ± 6 versus 6 ± 6 points; p < 0.001) scores. After propensity score matching, no differences in baseline characteristics could be observed. In the paired analysis, the mortality in male VIPs was higher (mean difference 3.34% 95%CI 0.92-5.76%; p = 0.007) compared to females. In both multivariable logistic regression models correcting for propensity score 1 (aOR 1.15 95%CI 1.03-1.27; p = 0.007) and propensity score 2 (aOR 1.15 95%CI 1.04-1.27; p = 0.007) male sex was independently associated with higher odds for 30-day-mortality. Of note, male gender was not associated with ICU mortality (OR 1.08 95%CI 0.98-1.19; p = 0.14). Outcomes of elderly intensive care patients evidenced independent sex differences. Male sex was associated with adverse 30-day-mortality but not ICU-mortality. Further research to identify potential sex-specific risk factors after ICU discharge is warranted.Trial registration: NCT03134807 and NCT03370692; Registered on May 1, 2017 https://clinicaltrials.gov/ct2/show/NCT03370692 .

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Intensive Care, Emergency Medicine and Anaesthesiology (DINA) > Clinic of Intensive Care

UniBE Contributor:

Schefold, Jörg Christian

Subjects:

600 Technology > 610 Medicine & health

ISSN:

2045-2322

Publisher:

Springer Nature

Language:

English

Submitter:

Jsabelle Arni

Date Deposited:

09 Nov 2020 07:57

Last Modified:

18 Mar 2021 09:37

Publisher DOI:

10.1038/s41598-020-74910-3

PubMed ID:

33122713

BORIS DOI:

10.7892/boris.147691

URI:

https://boris.unibe.ch/id/eprint/147691

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