: A practical step-by-step PDF guide on how to calculate the index using an Excel spreadsheet can be found on ESAIC.org .
: The foundational methodology is detailed in "The Comprehensive Complication Index: A Novel Continuous Scale to Measure Surgical Morbidity," available on ResearchGate or the Annals of Surgery . How to Calculate the CCI Download Comprehensive Complication Index pdf
: Use the official calculator or the Excel template to generate the final value between 0 and 100. Why Use the CCI Over Traditional Grading? : A practical step-by-step PDF guide on how
The index is calculated using a mathematical formula that takes the square root of the sum of the squares of weights assigned to each complication. Download Comprehensive Complication Index pdf