LOS per Location
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| Indicators | |
| Indicator: | LOS per Location |
| Created/Raw: | Created |
| Program: | Critical Care and Medicine |
| Start Date: | |
| End Date: | |
| Reports: | Directors Quarterly and Annual Report (Medicine) |
The difference between the End Date/Time in a physical location and Start Date/Time of stay in a physical location under the same service. For various reasons, patients occupy bed in different locations during the whole stay under the same service.
Start Dates of collection
- Critical Care: July 19, 2018 - started in project Borrow Arrive and continued to project Boarding Loc
- Medicine: Sept 20, 2019 Boarding Loc
Data Sources
- the physical location(s) and start dttm (arrival date and time) on each location are taken from Project Boarding Loc
- Admit DtTm and Dispo DtTm
Sampling Plan / Procedure
Inclusion Criteria
- All ICU admissions - see Definition of a Critical Care Laptop Admission and
- All Medicine admissions - see Definition of a Medicine Laptop Admission
Exclusion Criteria
None
Frequency
- Reported when patient had been discharged out of ICU/Medicine.
- Monthly, quarterly, year based on discharged date
Definition and Derivation
- LOS per location is simply calculated as the difference between the End Date/Time and Start Date/Time of stay in that location
- First location: Start date/time= first location = ICU discharge date/time – ICU admit date/time (expressed in days) where ICU discharge date/time = Dispo_DtTm and ICU admit date/time = Admit DtTm
- Average ICU LOS (in days to 1 decimal place)
- Median ICU LOS (in days to 1 decimal place)
- Total ICU LOS (in days to 1 decimal place)
Numerator
For Average ICU LOS, the numerator is Sum of Length of ICU stay of all discharges
Denominator
For Average ICU LOS, the denominator is Number of discharges
Data Sources
- Admit DtTm and Dispo DtTm
- Can also be taken from the Created_Variables_CC table of CFE
SAS Program
The SAS program to get the LOS is X:\Julie\SAS_CFE\CFE_macros\logphi.sas and datetimes.sas
Report Users
- Critical Care Directors, Critical Care Unit Managers and WRHA Outcome Improvement Team Committee
- Shared Health Decision Support Officer for Critical Care Dashboard (HSC only)
This is what we usually mean when we say Length of Stay; see LOS for other uses. referred to as the Length of Stay (LOS) per record Before Oct 1, 2020 - a record is defined as an admission in specific Internal Medicine ward or Critical Care Unit as shown in Site_and_Location_table Starting Oct 1, 2020 - a record for Critical Care, see Definition of a Critical Care Laptop Admission and a record for Internal Medicine, see Definition of a Medicine Laptop Admission.
LOS is simply calculated as the difference between the End Date/Time (i.e. Dispo DtTm) and Start Date/Time (i.e. first Service tmp entry) of stay. Start Date and time is defined by either of these fields: Accept DtTm Arrive DtTm first Service Start DtTm, see Service_tmp_entry and is the same as the Accept DtTm
End Date and time is defined by the Dispo DtTm
For example:
Start Date/Time: 20 May 2008 11:30
End Date/Time: 21 May 2008 17:45
LOS_Record = 1.260 days
What is actually being reported is the mean and median of this value.
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