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Predicting mortality of elderly patients undergoing open heart surgery with delirium using sequential organ failure
Elaheh Mousabeygi1, Mahmoud Rahmati1, Nader Salari1
1School of Nursing and Midwifery, Kermanshah University of Medical Sciences, Kermanshah, Iran.
Purpose:
This study aims to assess the predictive accuracy of SOFA, MODS, and LODS scores in determining the mortality of elderly undergoing open heart surgery with delirium.
Methods:
A prospective study involved 111 elderly patients who met the inclusion criteria. Data were collected using scoring systems: SOFA, MODS, and LODS.
Results:
Upon final follow-up, 86.5 % of the patients had recovered, 13.5 % had died. Sensitivity, specificity, negative, and positive predictive values for predicting mortality in elderly patients were calculated for the SOFA score as 99 %, 73 %, 98 %, and 76 %, respectively. For the MODS score, these values were 95 %, 60 %, 95 %, and 67 %; for the LODS score, they were 92 %, 73 %, 92 %, and 75 %, respectively. The overall accuracy of the three scores-SOFA, MODS, and LODS-was 84 %, 76 %, and 82 %, respectively.
Conclusion:
The results indicated that the SOFA score exhibited the highest sensitivity and specificity in predicting mortality among elderly individuals.

