Development and validation of a structured query language implementation of the Elixhauser comorbidity index

Conclusions:</strong> This algorithm may be useful where preprocessing of large datasets in a relational database environment and comorbidity determination is desired before statistical analysis. A validated SQL procedure to calculate Elixhauser comorbidities and the van Walraven index from ICD-9 or ICD-10 discharge diagnosis codes has been published.</span>
Source: Journal of the American Medical Informatics Association - Category: Information Technology Source Type: research