This study aims at establishing the relationship between patient to nurse ratio and the risk of ventilator-associated pneumonia (VAP). The authors of the article rely on secondary data collected from 27 ICU units in nine European countries. Six of such units did not provide adequate information regarding nurse staffing hence being deemed irrelevant in the study. Therefore, it means that the research was based on 21 ICU units in the actual sense. The fact that the article relies entirely on secondary data raises questions of the reliability of the information used as the baseline of the study. This means that if the findings of the secondary data are wrong, then the entire study loses its significance. The conclusion of the report is that lack of qualified nurses in ICU is the main contributory factor to the increased cases of ventilation-associated pneumonia (VAP). However, going through the report establishes that there are other causes of VAP such as trauma, which the report seems to overlook yet its impact on the study, cannot be underestimated.
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