METHODS
This is a retrospective cohort study in which was made using the National Inpatient Sample (NIS) from 2016 to 2020 which is publicly available from Healthcare Cost & Utilization Project. Patients admitted with a primary diagnosis of Ventricular Tachycardia were identified using the International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10CM) codes. Anemias were identified using the ICD-10CM codes and were also subdivided into groups and subgroups (Figure 1).
Inclusion criteria were patients with primary diagnosis of Ventricular tachycardia, older than 18 years and admitted in a non-elective basis. Stata/BE was used to analyze the data.