Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
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SHR Neuro Krebs Kardio Lipid Stoffw Microb
Dorner, TE; Schwarz, F; Kranz, A; Freidl, W; Rieder, A; Gisinger, C.
Body mass index and the risk of infections in institutionalised geriatric patients.
Br J Nutr. 2010; 103(12): 1830-1835.
Doi: 10.1017/S0007114510000152
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- Führende Autor*innen der Med Uni Graz
- Dorner Thomas
- Co-Autor*innen der Med Uni Graz
- Freidl Wolfgang
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- Abstract:
- The objective was to examine the effect of BMI on the incidence of various infectious diseases in institutionalised, geriatric subjects. In a retrospective cohort study we analysed medical records of 619 patients aged 75 years and older (mean age 87.6 (sd 6.4) years) who were treated in a geriatric hospital in Vienna, Austria. The total incidence rate of infection in this population was 0.80 per person-year. The most frequent infections were urinary tract infections (0.30 per person-year), followed by infections of the lower respiratory tract (0.19 per person-year), diarrhoea (0.12 per person-year) and other infections (0.20 per person-year). Incidence risk ratios were obtained by a multiplicative Poisson regression model. There was a J-shaped curve in the incidence of infections recorded by BMI with a nadir at 27-28 kg/m2. Compared with the reference group with a BMI of 24-27.9 kg/m2, subjects with a lower BMI had a higher incidence rate of infections. The incidence risk ratios, adjusted for sex, age and chronic diseases, were 1.62 (95 % CI 1.21, 2.17) for those with a BMI of < 20 kg/m2 and 1.84 (95 % CI 1.40, 2.42) for those with a BMI of 20-23.9 kg/m2. However, also patients with a BMI of 28 kg/m2 and above had a higher incidence rate of infections, with an incidence risk ratio of 1.54 (95 % CI 1.07, 2.22). These results show that both underweight and obesity are associated with a higher risk of infections in institutionalised geriatric patients.
- Find related publications in this database (using NLM MeSH Indexing)
- Aged -
- Aged, 80 and over -
- Aged, 80 and over - epidemiology
- Body Mass Index -
- Communicable Diseases - epidemiology
- Female -
- Hospitalization -
- Humans -
- Incidence -
- Male -
- Obesity - complications
- Poisson Distribution -
- Reference Values -
- Respiratory Tract Infections - epidemiology
- Retrospective Studies -
- Risk Factors -
- Thinness - complications
- Urinary Tract Infections - epidemiology