Invasive mechanical ventilation at 2300 hrs (concept)

Invasive mechanical ventilation at 2300 hrs derived from various ways we have collected this over time

Indicators
Indicator:	Invasive mechanical ventilation at 2300 hrs
Created/Raw:	Created
Program:	Critical Care
Start Date:	Jan 1 2013
End Date:
Reports:	Directors Quarterly and Annual Report (Critical Care)

Starting Oct 1, 2020, the above TISS28 element is collected as part of the CCI Collection but not at 2300HR , before this they were part of TISS28 Data.mdb. The presence of Vent at 2300 hour is imputed or assigned by inference using this method - if patient is present at 23HR and the TISS28 element T18 - Invasive Mechanical Ventilation (TISS Item) is marked, then the patient is assumed to have ventilator at 2300 hour.
Jan 2013 to Sept 2020 - Daily data for Invasive are taken on TISS28 element T - Invasive mechanical ventilation at 2300 hrs (TISS Item). The TISS form is being marked daily by ICU bed side nurses and quality checked by the Database Data Collectors.
June 1988 to Dec 2012 - Daily data for Invasive Mech Vent are taken on TISS76-Form elements # 29 or 30 which are saved at

S:\MED\MED_CCMED\CCMDB\Legacy_TMS_Data\Legacy_TMS_Data.mdb

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