Community-acquired infections (CAI) can affect the duration of care and mortality of patients. Therefore, we aimed to investigate these as well as factors influencing the length of hospital stay in patients with CAI due to enteric pathogens, influenza viruses and multidrug-resistant (MDR) bacteria. We obtained data on 531 patients with CAI from the medical databases of a Hungarian university hospital and analyzed their characteristics using a regression model. Patients with MDR bacterial infection had the highest mortality (26.24%) and they stayed significantly longer in the hospital than cases with other CAIs. Our results showed that infection by Clostridioides difficile (odds ratio (OR): 6.98, 95% confidence interval (CI): 1.03–47.48; p = 0.047), MDR Escherichia coli (OR: 7.64, 95% CI: 1.24–47.17; p = 0.029), MDR Klebsiella spp. (OR: 7.35, 95% CI: 1.15–47.07; p = 0.035) and hospitalization in the department of pulmonology (OR: 5.48, 95% CI: 1.38–21.76; p = 0.016) and surgery (OR: 4.19, 95% CI: 1.18–14.81; p = 0.026) significantly increased, whereas female sex (OR: 0.62, 95% CI: 0.40–0.97; p = 0.037) and hospitalization in the department of pediatrics (OR: 0.17, 95% CI: 0.04–0.64; p = 0.009) decreased the odds of staying in the hospital for more than 6 days. Our findings provide new information on the epidemiology of CAI and can contribute to the development of public health programs that decrease the burden of infections acquired in the community.

It is an important task to protect oncohematological and organ transplant patients.

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