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KMID : 1004620230290030296
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Clinical Nursing Research
2023 Volume.29 No. 3 p.296 ~ p.311
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Factors Related to Workload of Intensive Care Unit Nurses: Systematic Review and Meta-Analysis
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Jeong Ah-In
Shin Su-Jin
Hong Eun-Min
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Abstract
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Purpose: This study aimed to identify factors related to the workload of intensive care unit nurses through asystematic literature review and meta-analysis to provide basic data to explore the direction of developmentof nursing staffing standards.
Methods: This study involved quantitative studies about nurses working inintensive care units related to nursing workload published in English or Korean since 2000. Search termsincluded 'intensive care unit', 'nursing workload', and their variations. Databases such as RISS, DBpia,MEDLINE(PubMed), CINAHL, PsycINFO, and Web of Science were utilized. Quality assessment wasconducted using the Joanna Briggs Institute's Critical Appraisal Checklist for Analytical Cross-Sectional Studies. JAMOVI software facilitated the analysis of effect sizes, employing a meta-analysis approach for 7 studies withcorrelational or regression data.
Results: From 16 studies on the workload of intensive care unit nurses, a totalof 20 patient and nurse-related factors were identified. Patient-related factors included severity of illness,length of stay, and age. Meta-analysis was conducted for three patient-related factors: age, severity of illnessmeasured by SAPS 3, and length of stay. Only severity of illness measured by SAPS 3 was significantlyassociated with nurse workload (Zr=0.16, p<.001, 95% CI=0.09-0.24).
Conclusion: In previous studies, thecharacteristics of intensive care units and patients varied across studies, and a variety of scales for measuringworkload and severity of illness were also used. Sustained research reflecting domestic intensive care unit workenvironments and assessing the workload of intensive care unit nurses should be imperative.
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KEYWORD
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Intensive Care Units, Nursing, Workload, Systematic Review, Meta-Analysis
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