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See: [[:Category: Length of stay | Length of stay]] for Indicator Definitions.  
Calculated by [[Function LOS()]] / [[Function LOS_int()]].
{{Todo
| who = Tina 
| question = _wiki_housekeeping
* need to integrate this better and clean things out; also should make sure that queries that deal with LOS use [[Function LOS()]]
| todo_added = 2022-02-10
| todo_action = 2022-03-01
  }}
 


For our purposes, '''LOS (length of stay)''' is the combined number of '''days''' a patient spent on units on which we collect data. It is '''not''' the amount of time spent in the hospital as we don't have access to hospital admit/discharge data.  
For our purposes, '''LOS (length of stay)''' is the combined number of '''days''' a patient spent on units on which we collect data. It is '''not''' the amount of time spent in the hospital as we don't have access to hospital admit/discharge data.  
Ward LOS and ICU LOS are included in our [[monthly report|monthly]], [[quarterly report|quarterly]] and [[annual report|annual]] reports.


* LOS = Discharge Date/Time – Admit Date/Time.
Depending on the type of LOS, the summary statistics namely, Mean, Median, Sum or Total are included in our various [[Reports]]; see the reports pages or the various LOS pages for details.
 
See also: [[:Category: Length of stay]]
 
== different kinds of LOSs ==
*Dr. Allan Garland and Julie met March 12, 2014 and identifed the different types of LOS currently calculated and reported as well as assigned a name to each one accordingly.
 
=== [[LOS Per Service]] ===
 
=== [[LOS Per Record]] ===
 
=== [[LOS per Location]] ===
 
=== [[LOS Medicine per hospital admission]] ===
* refers as Within Hospital Medicine Ward Cumulative LOS
** this is the sum of all Medicine wards' [[LOS Per Record]] within one Hospital admission per hospital. It is important to determine correctly the different wards the patient stayed within a hospital admission and this is done by using the time gaps between records and/or the locations the patient came from and went to. If a patient stayed in more than one Medicine wards during his hospital admission until he left the hospital, then all his wards' [[LOS Per Record]] were added.
**The summary reports  separate those who left the hospital or died  and those who went to another service  within the hospital.
 
* This can be redefined as the sum of all Medicine [[LOS Per Record]] per [[Visit Admit DtTm]] and [[Person ID]].
 
===LOS_Elapse_Ward1_Hosp===
This is not currently being reported anywhere.
 
*refers to the length of stay from the FIRST ward admission until the last discharge date during one hospital admission per hospital.
**First, identify the FIRST ward the patient stayed and the last ward or ICU unit the patient stayed during a given hospital admission per hospital.
**Then calculate the difference between the LAST Discharge Date and the First Admit Date as the elapse LOS.
**If the patient has prior stay in ICU before the first ward stay, the prior ICU stay is not included.
**The summary reports  separate those who left the hospital or died  and those who went to another service  within the hospital.
 
* This can be redefined as as "first MEDICINE [[Service tmp entry]] until last [[Dispo DtTm]] per [[Visit Admit DtTm]]" ?
 
===LOS_ICU_Region===
This is not currently being reported anywhere.
*refers to the length of continuous stay in one or more ICU on same or different hospitals in the region
**First, identify  the patient who had transferred to another ICU/OR/Recovery area on same of different hosp within 48 hours and consider their ICU stays as continuous ICU stay.
**Then calculate the difference between the Discharge Date of the last ICU stay and the  Admit Date of the First ICU stay.
**The summary reports include all patients with continuous ICU stay.
 
Can be defined as the sum of all ICU [[LOS Per Record]] that have less than 48hrs between the previous [[Dispo DtTm]] and the next admit dttm, per [[Person_ID]].


For example:
== Legacy ==
* Admit Date/Time: 20 May 2008 11:30
===Short stay===
* Discharge Date/Time: 21 May 2008 17:45
* '''resuscitated''' patients with a short LOS used to be ignored, see https://ccmdb.kuality.ca/index.php?title=Definition_of_a_Critical_Care_Laptop_Admission&direction=next&oldid=48590
* LOS = 1.260  (3 decimal digit accuracy is used for individual patients, 1 digit for averages)


===LOS vs TISS LOS ===
* '''LOS vs TISS LOS''' - [[TISS76-2 hour rule]] used to mean that # of TISS days might be different than LOS. This is no longer the case as of [[TISS28]].


'''Note:''' The number of days for [[:Category:TISS| TISS]] (ICU) and [[ITISS]] (Medicine) can be different than the LOS because the '''[[TISS - General Information#The 2 Hour rule for TISS|2 hour rule]]''' applies.
== Related Articles ==
{{Related Articles}}


[[Category:Statistical Analysis]]
[[Category:Standards and Conventions]]
[[Category: Statistical Analysis]]
[[Category: Length of stay]]
[[Category: Length of stay]]
[[Category: Multiple Encounter linking]]

Latest revision as of 12:34, 2022 December 29

Calculated by Function LOS() / Function LOS_int().

_wiki_housekeeping

  • need to integrate this better and clean things out; also should make sure that queries that deal with LOS use Function LOS()
  • added: 2022-02-10
  • action: 2022-03-01
  • Cargo


  • Categories


For our purposes, LOS (length of stay) is the combined number of days a patient spent on units on which we collect data. It is not the amount of time spent in the hospital as we don't have access to hospital admit/discharge data.

Depending on the type of LOS, the summary statistics namely, Mean, Median, Sum or Total are included in our various Reports; see the reports pages or the various LOS pages for details.

See also: Category: Length of stay

different kinds of LOSs

  • Dr. Allan Garland and Julie met March 12, 2014 and identifed the different types of LOS currently calculated and reported as well as assigned a name to each one accordingly.

LOS Per Service

LOS Per Record

LOS per Location

LOS Medicine per hospital admission

  • refers as Within Hospital Medicine Ward Cumulative LOS
    • this is the sum of all Medicine wards' LOS Per Record within one Hospital admission per hospital. It is important to determine correctly the different wards the patient stayed within a hospital admission and this is done by using the time gaps between records and/or the locations the patient came from and went to. If a patient stayed in more than one Medicine wards during his hospital admission until he left the hospital, then all his wards' LOS Per Record were added.
    • The summary reports separate those who left the hospital or died and those who went to another service within the hospital.

LOS_Elapse_Ward1_Hosp

This is not currently being reported anywhere.

  • refers to the length of stay from the FIRST ward admission until the last discharge date during one hospital admission per hospital.
    • First, identify the FIRST ward the patient stayed and the last ward or ICU unit the patient stayed during a given hospital admission per hospital.
    • Then calculate the difference between the LAST Discharge Date and the First Admit Date as the elapse LOS.
    • If the patient has prior stay in ICU before the first ward stay, the prior ICU stay is not included.
    • The summary reports separate those who left the hospital or died and those who went to another service within the hospital.

LOS_ICU_Region

This is not currently being reported anywhere.

  • refers to the length of continuous stay in one or more ICU on same or different hospitals in the region
    • First, identify the patient who had transferred to another ICU/OR/Recovery area on same of different hosp within 48 hours and consider their ICU stays as continuous ICU stay.
    • Then calculate the difference between the Discharge Date of the last ICU stay and the Admit Date of the First ICU stay.
    • The summary reports include all patients with continuous ICU stay.

Can be defined as the sum of all ICU LOS Per Record that have less than 48hrs between the previous Dispo DtTm and the next admit dttm, per Person_ID.

Legacy

Short stay

LOS vs TISS LOS

  • LOS vs TISS LOS - TISS76-2 hour rule used to mean that # of TISS days might be different than LOS. This is no longer the case as of TISS28.

Related Articles

Related articles:
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