It has a high negative predictive value for nonoccurrence of adverse events.
Sampada B Dessai, R Fasal, J Dipin, D Adarsh, Satheesan Balasubramanian 2018, 'Age-adjusted charlson comorbidity index and 30-day morbidity in pelvic surgeries',South Asian Journal of Cancerhttp://journal.sajc.org/article.asp?issn=2278-330X;year=2018;volume=7;issue=4;spage=240;epage=243;aulast=Dessai. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)