alexa Will mandated minimum nurse staffing ratios lead to better patient outcomes?
Nursing

Nursing

Journal of Nursing & Care

Author(s): Sochalski J, Konetzka RT, Zhu J, Volpp K

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Abstract BACKGROUND: Mandatory hospital nurse staffing ratios are under consideration in a number of states without strong empirical evidence of the optimal ratio. OBJECTIVE: To determine whether increases in medical-surgical licensed nurse staffing levels are associated with improvements in patient outcomes for hospitals having different baseline staffing levels. RESEARCH DESIGN: Cross-sectional and fixed-effects regression analyses using a 1993-2001 panel of patient and hospital data from California. Splines define 4 staffing ratios. SUBJECTS: Adult acute myocardial infarction (AMI) (n = 348,720) and surgical failure to rescue (FTR) (n = 109,066) patients discharged between 1993 and 2001 from 343 California acute care general hospitals. MEASURES: Patient outcomes are 30-day AMI mortality and surgical FTR; 4 baseline staffing levels-4 to 7 patients per licensed nurse [registered nurses (RN) and licensed vocational nurses (LVN)]. RESULTS: Significant cross-sectional associations between higher nurse staffing and AMI mortality are reduced in the fixed-effects analyses. Improvements in outcomes were smaller in hospitals with higher baseline staffing: for each RN and RN + LVN increase, respectively, AMI mortality declined by 0.71 (P < 0.05) and by 2.75 percentage points for hospitals with more than 7 patients per nurse compared with 0.19 (P = NS) and 0.28 percentage points (P < 0.05) in hospitals with more than 4 patients per nurse. Significant cross-sectional associations between higher nurse staffing and FTR were not found in the fixed-effects analyses. CONCLUSIONS: Strong diminishing returns to nurse staffing improvements and lack of significant evidence that staffing uniformly increases improve outcomes raise questions about the likely cost-effectiveness of implementing state-wide mandatory nurse staffing ratios. This article was published in Med Care and referenced in Journal of Nursing & Care

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