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Quantitative study—other
Having a greater proportion of registered nurses in a respiratory care centre is associated with fewer urinary infections and increased successful ventilator weaning
  1. Di Twigg
  1. School of Nursing and Midwifery, Edith Cowan University, Joondalup, Western Australia, Australia
  1. Correspondence to: Professor Di Twigg
    School of Nursing and Midwifery, Edith Cowan University, 270 Joondalup Drive, Joondalup, Western Australia 6027, Australia; d.twigg{at}

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Commentary on: Yang PH, Hung CH, Chen YM, et al. The impact of different nursing skill mix models on patient outcomes in a respiratory care center. Worldviews Evid Based Nurs 2012;9:227–33.

Implications for practice and research

  • Policy makers and nurse leaders making staffing decisions must take into account the evidence linking nurse staffing, skill mix and patient outcomes.

  • Researchers must continue to investigate staffing models to determine the most cost-effective model that supports quality care and take full advantage of the registered nurse workforce, especially given predicted shortages.


This study explored the impact of skill mix model changes on patient outcomes in a critical care environment, specifically, a respiratory care centre based in a southern Taiwan medical centre. It identified that the cost of ventilator-dependent patients in Taiwan in 1999 was 3.5 billion New Taiwan dollars, equivalent to US$ 121 million. In this context, controlling the costs of healthcare while …

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