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PSNet: Patient Safety Network
Journal Article

The relationship between inpatient cardiac surgery mortality and nurse numbers and educational level: analysis of administrative data.

Van den Heede K, Lesaffre E, Diya L, et al. International journal of nursing studies. 2009;46:796-803.

Increased nurse staffing on postoperative general wards—but not in the intensive care unit—was associated with reduced mortality for cardiac surgery patients.