The National Early Warning Score (NEWS) has been criticized for increasing workload and decreasing attention to signs of deterioration. This study highlighted the significant mortality of ward patients referred to critical care, and showed that the NEWS identified high-risk patients without increasing workload or worsening outcomes.
Farenden, S., Gamble, D., & Welch, J. (2017). Impact of implementation of the National Early Warning Score on patients and staff. British Journal of Hospital Medicine, 78(3), 132-136. https://doi.org/10.12968/hmed.2017.78.3.132