Max Rady College of Medicine

Term: Cost of a Standard Hospital Stay (CSHS)

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Glossary Definition

Last Updated: 2020-05-20


The Canadian Institute of Health Information (CIHI) definition states "The Cost of a Standard Hospital Stay (CSHS) provides the average cost in your facility for a hypothetical patient with an RIW [Resource Intensity Weight] = 1. ... The cost of a standard hospital stay equals total inpatient costs divided by the total weighted cases. ... Cost of a standard hospital stay is an indicator that measures the relative cost-efficiency of a hospital’s ability to provide acute inpatient care. This indicator compares a hospital’s total acute inpatient care expenses to the number of acute inpatient weighted cases related to the inpatients that it provided care for. The result is the hospital’s average full cost of treating the average acute inpatient". (CIHI, 2017).

Source: Canadian Institute for Health Information. (URL= - Cost of a Standard Hospital Stay: Appendices to Indicator Library — Methodology Notes. Ottawa, ON: CIHI; 2017.

NOTE: The link to the 2017 reference is no longer accessible. An updated version of the appendices (2020) is available at the following URL: - accessed May 20, 2020.

The CSHS value is used in costing patient care in the hospital. It is similar to the costing measure of Cost per Weighted Case (CPWC). In 2015, CIHI replaced the term "Cost Per Weighted Case (CPWC)" with the term "Cost of a Standard Hospital Stay (CSHS)".

For more information, see the section titled Cost Per Weighted Case (CPWC) / Cost of a Standard Hospital Stay (CSHS) - Canadian Institute for Health Information (CIHI) in the Calculating Hospital Costs Using Cost Per Weighted Case (CPWC) / Cost of a Standard Hospital Stay (CSHS) Values concept.

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