Risk of Death Calculation for APACHE II: Difference between revisions

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*This calculation is use to compute the predicted risk of hospital death for groups of acutely ill patients.   
This calculation is used to compute the predicted '''risk of hospital death''' for groups of acutely ill patients for APACHE II.   


*Dr. Carla Chrusch had mapped our diagnosis codes to the APACHE II Diagnostic Categories.
Our Database Diagnosis Codes are mapped to APACHE via [[APACHE Comorbidities in ICD10 codes]] but we do not use this model to predict risk of hospital death in our [[:Category:Reporting | '''Regional Stat Reports''']] because we don't have Hospital mortality data available to us.  
*APACHE II Diagnostic categories are currently part of our Standard Quarterly & Annual database reports.
*For list of of categories and code mapping see: [[APACHE II Diagnostic Categories]]
*To computer the risk (R) of hospital death for each individual patient we use the following formula:
*ln(r/l-R)=3.517+(APACHE II score x 0.146) + (0.603, only if post emergency surgery) + (APACHE II diagnostic category weight)


*-ve coefficient = good prognosis
*To compute the risk (R) of hospital death for each individual patient we use the following formula:
*+ve coefficient = bad prognosis
**'''Ln(R/l-R)=3.517+(APACHE II score x 0.146) + (0.603, only if post emergency surgery) +''' ([[APACHE Comorbidities in ICD10 codes]] '''weight)'''


* Interpretation:
**-ve coefficient = good prognosis
**+ve coefficient = bad prognosis


[[User:TOstryzniuk|TOstryzniuk]] 21:16, 8 December 2008 (CST)
== Related Articles ==
* [[APACHE Comorbidities in ICD10 codes]]
* [[APACHE Scoring table]]


{{Discussion}}
== Related articles ==
*hi Julie.........this is a start. Let me know and I can show you how to upload a PDF of the mapped categories and link to this page.  If you some thoughts or suggestions for this section, not a problem.  thanks!!
{{Related Articles}}
*can you check the formula.  I think I have it correct.[[User:TOstryzniuk|TOstryzniuk]] 21:16, 8 December 2008 (CST)


{{stub}}
[[Category:APACHE II]]
[[Category: APACHE II]]
[[Category:Statistical Analysis]]
[[Category: Statistical Analysis]]
[[Category:End-of-life related data]]
[[Category: Questions]]

Latest revision as of 08:32, 2022 July 28

This calculation is used to compute the predicted risk of hospital death for groups of acutely ill patients for APACHE II.

Our Database Diagnosis Codes are mapped to APACHE via APACHE Comorbidities in ICD10 codes but we do not use this model to predict risk of hospital death in our Regional Stat Reports because we don't have Hospital mortality data available to us.

  • To compute the risk (R) of hospital death for each individual patient we use the following formula:
  • Interpretation:
    • -ve coefficient = good prognosis
    • +ve coefficient = bad prognosis

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