adverse events, Nurse Practice Environment, hospitalized patients

prevalence is associated with the quality of the nurses' work environment and is one of the consequences of unfinished nursing care. Aim: The aim of this study was to determine the incidence of adverse events in the context of unfinished nursing care and to determine the relationship between adverse events and the nursing practice environment. Methodology: A cross-sectional multicenter study was conducted in 14 acute care hospitals in the Czech Republic. Data collection took place from June to October 2020. Adverse event data were obtained weekly from patient records, from hospital recording system and nursing documentation. The Practice Environment Scale of the Nursing Work Index was used to measure the working environment of nurses; unfinished nursing care was assessed by nurses using the questionnaire Perceived Implicit Rationing of Nursing Care. Results: The most common adverse events were pressure ulcers and falls, the most common healthcare associated infections were urinary tract infections. The prevalence of adverse events was significantly lower in large teaching hospitals. A higher incidence of pressure ulcers, falls without injuries and falls with injuries was reported in surgical wards (<0.001). Statistically significant relationships between unfinished nursing care and falls with injuries (0.223) and gastrointestinal tract infections (0.194) were confirmed.