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J Nurs Manag. 2007 Jan;15(1):64-71.

5-20: a model of minimum nurse-to-patient ratios in Victoria, Australia.

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The School of Nursing, The University of Melbourne, 723 Swanston Street, Carlton, Victoria 3053, Australia.



This study presents a critique of a new model of minimum nurse-to-patient ratio and considers its utility alongside established Patient Dependency Systems.


Since 2001 legislation mandating minimum nurse-to-patient ratios has been enacted throughout large public hospitals in the state of Victoria, Australia. The Victorian model mandates minimum staffing of five nurses to 20 patients in acute medical and surgical wards. In conjunction with this approach, Patient Dependency Systems are employed to anticipate short-term resource needs.


Although this legislation has been successful in attracting nurses back into the public sector workforce, no published empirical evidence exists to support specific ratios. In addition, neither ratio nor Patient Dependency Systems approaches account for the critical influence of skill mix on hospital, employee, or patient outcomes.


There is an urgent need for further research that specifically examines relationships between models of staffing, skill mix and quality outcomes.

[Indexed for MEDLINE]

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