Publication date: Aug 01, 2026
Hospital-acquired infections (HAIs) in intensive care units (ICUs) cause significant morbidity, mortality, and costs. The COVID-19 pandemic intensified infection control, but its effect on HAI prevalence and patterns is unclear. This study compared HAI prevalence, types, and causative agents in an Iranian tertiary hospital before and after COVID-19. A retrospective descriptive-analytical study was conducted on ICU patients admitted to Taleghani Hospital, Kermanshah, Iran, between 2019 and 2020. Demographic, clinical, and microbiological data were collected from hospital records. Associations between categorical variables were assessed using Chi-square or Fisher’s exact tests, and continuous non-normally distributed variables were compared using the Mann-Whitney U test, with p
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| Concepts | Keywords |
|---|---|
| Hospital | COVID‐19 |
| Iran | gram‐negative bacteria |
| Microbiological | hospital‐acquired infections |
| Mortality | infection control |
| Whitney | intensive care units |
Semantics
| Type | Source | Name |
|---|---|---|
| disease | MESH | Infections |
| disease | MESH | COVID-19 Pandemic |