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PSNet: Patient Safety Network
Journal Article

Nurse staffing and education and hospital mortality in nine European countries: a retrospective observational study.

Aiken LH, Sloane DM, Bruyneel L, et al. Lancet (London, England). 2014;383:1824-30.

This retrospective cohort study across nine European countries revealed that higher patient–nurse staffing ratios increased the likelihood of inpatient mortality. A larger proportion of nurses with bachelor's degrees decreased this risk, consistent with previous research that found a relationship between nurse education levels and patient outcomes. This finding emphasizes the importance of maintaining an adequately staffed and trained nursing workforce to support safety in hospitals.