Use of Lean and Related Transformational Performance Improvement Systems in Hospitals in the United States: Results From a National Survey.

BACKGROUND: The health care system in the United States is costly with high variance in quality. There is growing interest in transformational performance improvement initiatives, such as the Lean management system, to eliminate waste and inefficiency and improve quality of care for patients.
METHODS: A national survey of all 4,500 short-term acute general medical/surgical and pediatric hospitals in the United States was fielded between May and September 2017 by the Survey Data Center of the American Hospital Association.
RESULTS: Responses were received from 1,222 hospitals (27.3% response rate). Sixty-nine percent (69.3%) reported use Lean or related Lean plus Six Sigma or Robust Process Improvement approaches. Not-for-profit hospitals, hospitals located in metro/urban areas, those belonging to a system/network, and those with 100-399 beds were most likely to be engaged in these activities and for an average of 5.2 years. However, only 12.6% (n = 102) of hospitals reported being at a mature hospitalwide stage of implementation. The degree of maturity, leadership commitment, daily management system use, and training were each positively associated with reported positive performance outcomes.
CONCLUSION: A majority of hospitals have adopted Lean-based transformational performance improvement approaches but with wide variance in the degree of implementation. It takes time for Lean to gain traction. The length of time doing Lean is positively associated with implementation progress and reported positive performance impacts. The extent to which Lean has an organizationwide performance impact awaits further research that links the variables in this study with objective cost and quality measures.