Length Of Stay | Community Health

Length of stay (LOS) refers to the duration of a single episode of hospitalization, calculated by subtracting the day of admission from the day of discharge. This metric is crucial in healthcare as it directly impacts patient outcomes, hospital resource allocation, and healthcare costs. According to the Centers for Disease Control and Prevention (CDC), the average length of stay in U.S. hospitals was 4.5 days in 2020. The World Health Organization (WHO) also emphasizes the importance of monitoring LOS to improve healthcare quality and efficiency. With the rise of value-based care, understanding and optimizing LOS has become a key focus area for healthcare providers, including organizations like the American Hospital Association (AHA) and the National Institutes of Health (NIH).