Consecutive all-comers with the final diagnosis “NSTEMI” (I21.4) according to the ICD-10-codes admitted during the year 2013 were retrospectively enrolled. After standardized evaluation of the documentation for consistency and completeness by two observers (F.R., F.B.), only patients with clini...
Our reasoning was that as Stage 1 cancer is localized, it may be unlikely to progress to advanced disease. A complete model (including age, ethnicity, biomarkers, and any interaction terms) was established initially. Exclusion of each covariate was performed, looking for a change in the overall...
For example, the International Classification of Disease 9th revision codes, generally known as ICD-9 codes, are utilized to describe diagnoses and the treatment of medical conditions afflicting various body parts (e.g., head, arms, legs, etc.). Other types of codes include Common Procedure ...