Created Variables: Difference between revisions

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'''Created_Variables_Table''' is a table in [[Centralized_data_front_end.mdb]] which is populated by the query '''Created_Variables''' in the same .mdb when the button "calc created variables" on the front screen of the app is pressed. It is used by the [[statistician]] for reporting and data extracts.
#redirect:[[Calc created variables button]]


== List of values ==
[[Category:Created Variables]]
*Age in years - see details in [[Date of Birth]]
*Length of Stay in days - see details in [[LOS]]
*[[Transfer Delay]] in days
*APACHE - see details in [[APACHE Scoring table]]
**Total APACHE SCORE
**Mean Blood Pressure
**Glasgow Coma Scale - ([[Glasgow Coma Scale]])
**Acute Physiological points
**Age points
**Chronic Health points
 
== Testing... ==
{{Potential Change}}
 
Julie/Trish, let's track testing information for created_variables here... {{discussion}}
 
*“Transfer_Delay  must be blanks instead of  large negative values”
**Got it, I’ll fix that. Well, maybe we should decide if we want to keep to Ed’s std for missing transfer time. I could import/change the actual …3000… dates to nulls, I think. Should I try to change the actual data? That would also make it consistent with how new data will arrive. 
***Sure,  I agree that we change those dummy dates to null. 
****I have created update query “1use_only_update_3000_transfer_dates_to_null” in centralized_front_end to update all records in centralized_data.mdb that have a 3000 transfer date and their corresponding transfer times to null. Since this will change much data it should probably be run by Pagasa on a master version of the data after creating a specific backup of the data. Trish, could you please coordinate with Pagasa once the newest front end that includes this is rolled out?
 
*Is 1/1/3000 9:45 your DEFAULT transf ready date time? 
**It’s not mine, it’s how it shows in Ed’s data when I import it. 
***OK, I am just surprise that there is time – I thought they are all zeroes. 
****I just tried to find a record that has that transfer date time combination and can’t. Could you provide a D_ID?
 
===Calculation error due to dummy year and dummy times from blanks===
 
{| class="wikitable" border=1 <hiddentext> set to 0 for no borders</hiddentext>
|- style="font-size:9pt;font-weight:bold"
| width="74" height="25" | D_ID
| width="29" | R_age
| width="37" | adm
| width="52" | trans
| width="46" | dis
| width="30" | R_LOS
| width="60" | Transfer_Delay
 
|- style="font-size:9pt"
| height="20"  | HSC_MICU--1366
| align="right" | 55
| align="right" | 7/11/1988
|style="background-color:#FFFF00" align="right" | 1/1/3000 9:45
| align="right" | 7/13/1988
| align="right" | 2.427
| align="right" | -369431.771
 
|- style="font-size:9pt"
| height="20"  | HSC_SICU--22
| align="right" | 83
| align="right" | 7/21/1988
|style="background-color:#FFFF00" align="right" | 1/1/3000 9:45
| align="right" | 7/25/1988
| align="right" | 3.667
| align="right" | -369419.851
 
|- style="font-size:9pt"
| height="20"  | HSC_SICU--34
| align="right" | 75
| align="right" | 7/28/1988
|style="background-color:#FFFF00" align="right" | 1/1/3000 9:45
| align="right" | 7/28/1988
| align="right" | 0.117
| align="right" | -369416.675
 
|- style="font-size:9pt"
| height="20"  | HSC_MICU--1383
| align="right" | 67
| align="right" | 7/29/1988
|style="background-color:#FFFF00" align="right" | 1/1/3000 9:45
| align="right" | 7/30/1988
| align="right" | 0.931
| align="right" | -369414.924
 
|- style="font-size:9pt"
| height="20"  | HSC_SICU--32
| align="right" | 64
| align="right" | 7/27/1988
|style="background-color:#FFFF00" align="right" | 1/1/3000 9:45
| align="right" | 8/3/1988
| align="right" | 6.865
| align="right" | -369410.802
 
|- style="font-size:9pt"
| height="20"  | HSC_MICU--1406
| align="right" | 62
| align="right" | 8/21/1988
|style="background-color:#FFFF00" align="right" | 1/1/3000 9:45
| align="right" | 8/22/1988
| align="right" | 1.062
| align="right" | -369391.802
 
|- style="font-size:9pt"
| height="20"  | HSC_SICU--115
| align="right" | 63
| align="right" | 9/19/1988
|style="background-color:#FFFF00" align="right" | 1/1/3000 9:45
| align="right" | 9/26/1988
| align="right" | 7.455
| align="right" | -369356.469
 
|- style="font-size:9pt"
| height="20"  | HSC_MICU--1446
| align="right" | 85
| align="right" | 9/30/1988
|style="background-color:#FFFF00" align="right" | 1/1/3000 9:45
| align="right" | 10/1/1988
| align="right" | 0.896
| align="right" | -369351.969
 
|- style="font-size:9pt"
| height="20"  | HSC_SICU--127
| align="right" | 75
| align="right" | 9/28/1988
|style="background-color:#FFFF00" align="right" | 1/1/3000 9:45
| align="right" | 10/1/1988
| align="right" | 3.201
| align="right" | -369351.538
 
|- style="font-size:9pt"
| height="20"  | HSC_MICU--1439
| align="right" | 69
| align="right" | 9/24/1988
|style="background-color:#FFFF00" align="right" | 1/1/3000 9:45
| align="right" | 10/2/1988
| align="right" | 8.573
| align="right" | -369350.729
 
|- style="font-size:9pt"
| height="20"  | HSC_SICU--149
| align="right" | 79
| align="right" | 10/9/1988
|style="background-color:#FFFF00" align="right" | 1/1/3000 9:45
| align="right" | 10/9/1988
| align="right" | 0.292
| align="right" | -369343.531
 
|- style="font-size:9pt"
| height="20"  | HSC_SICU--160
| align="right" | 65
| align="right" | 10/13/1988
|style="background-color:#FFFF00" align="right" | 1/1/3000 9:45
| align="right" | 10/14/1988
| align="right" | 0.854
| align="right" | -369338.865
 
|- style="font-size:9pt"
| height="20"  | HSC_SICU--153
| align="right" | 76
| align="right" | 10/11/1988
|style="background-color:#FFFF00" align="right" | 1/1/3000 9:45
| align="right" | 10/21/1988
| align="right" | 10.403
| align="right" | -369331.844
 
|}
 
=== Transfer Delay ===
* As per Julie: Transfer delay should not occur to those who move to another ICU. Transfer_Delay must be blanks instead of large negative values – see Created_variable table below. 
** Tina: Is that a part of the definition of Transfer Delay? I had never heard of it and it’s not in [[Transfer_Delay ]]. So generally, is it the following?
Transfer delay =
iif(location = <an ICU>,
iif(discharge_to <> <other ICU>,
dischargedttm – transferdttm,
0),
dischargedttm – transferdttm,)
::* Julie: Transfer delay is derived from transfer ready  date_time and discharge date_time.  For CC, only transfer to HSC IICU requires transfer ready date_time (or delays) , other ICUs (MICU,SICU,CCU)  don’t require it [[Transfer_Ready_date_and_time]]
 
== Background ==
The system replaces [[Created Variables in TMSX or Med TMS]] that were created by [[TMSX and MedTMS]].
 
[[Category: 2013 data upgrades]]
[[Category: Centralized data front end.mdb]]

Latest revision as of 09:54, 2023 April 19