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Association between cardiometabolic disease and severe COVID-19: a nationwide case-control study of patients requiring invasive mechanical ventilation.
Svensson, Per; Hofmann, Robin; Häbel, Henrike; Jernberg, Tomas; Nordberg, Per.
  • Svensson P; Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden Per.Svensson@ki.se.
  • Hofmann R; Department of Cardiology, Södersjukhuset, Stockholm, Sweden.
  • Häbel H; Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden.
  • Jernberg T; Department of Cardiology, Södersjukhuset, Stockholm, Sweden.
  • Nordberg P; Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.
BMJ Open ; 11(2): e044486, 2021 02 17.
Article in English | MEDLINE | ID: covidwho-1088261
ABSTRACT

AIMS:

The risks associated with diabetes, obesity and hypertension for severe COVID-19 may be confounded and differ by sociodemographic background. We assessed the risks associated with cardiometabolic factors for severe COVID-19 when accounting for socioeconomic factors and in subgroups by age, sex and region of birth. METHODS AND

RESULTS:

In this nationwide case-control study, 1.086 patients admitted to intensive care with COVID-19 requiring mechanical ventilation (cases), and 10.860 population-based controls matched for age, sex and district of residency were included from mandatory national registries. ORs with 95% CIs for associations between severe COVID-19 and exposures with adjustment for confounders were estimated using logistic regression. The median age was 62 years (IQR 52-70), and 3003 (24.9%) were women. Type 2 diabetes (OR, 2.3 (95% CI 1.9 to 2.7)), hypertension (OR, 1.7 (95% CI 1.5 to 2.0)), obesity (OR, 3.1 (95% CI 2.4 to 4.0)) and chronic kidney disease (OR, 2.5 (95% CI 1.7 to 3.7)) were all associated with severe COVID-19. In the younger subgroup (below 57 years), ORs were significantly higher for all cardiometabolic risk factors. The risk associated with type 2 diabetes was higher in women (p=0.001) and in patients with a region of birth outside European Union(EU) (p=0.004).

CONCLUSION:

Diabetes, obesity and hypertension were all independently associated with severe COVID-19 with stronger associations in the younger population. Type 2 diabetes implied a greater risk among women and in non-EU immigrants. These findings, originating from high-quality Swedish registries, may be important to direct preventive measures such as vaccination to susceptible patient groups. TRIAL REGISTRATION NUMBER Clinicaltrial.gov (NCT04426084).
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Respiration, Artificial / Diabetes Mellitus, Type 2 / COVID-19 / Hypertension / Obesity Type of study: Experimental Studies / Observational study / Prognostic study / Randomized controlled trials Topics: Long Covid / Vaccines Limits: Adult / Aged / Female / Humans / Male / Middle aged / Young adult Language: English Journal: BMJ Open Year: 2021 Document Type: Article Affiliation country: Bmjopen-2020-044486

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Respiration, Artificial / Diabetes Mellitus, Type 2 / COVID-19 / Hypertension / Obesity Type of study: Experimental Studies / Observational study / Prognostic study / Randomized controlled trials Topics: Long Covid / Vaccines Limits: Adult / Aged / Female / Humans / Male / Middle aged / Young adult Language: English Journal: BMJ Open Year: 2021 Document Type: Article Affiliation country: Bmjopen-2020-044486