Patients with T2D were defined as individuals who had at least one outpatient visit or any hospitalization with a diagnosis using the International Classification of Diseases 10th (ICD-10) revision code for DM (E11–E14) and prescription for antidiabetic agents or fasting plasma glucose (FPG) ...
We identified patients with gout using an algorithm that required patients to have an ICD-9 code of 274.xx from 2 or more encounters 30 or more days apart with the second date serving as the index date.25 Each case was then matched with up to 10 patients without gout by birth year, ...
For the analysis of the underlying main diagnoses, these were grouped into peripheral arterial disease (PAD) (ICD-10 code I7), diabetes mellitus (DM) (ICD-10 codes E10-E14), and a category termed “others” including the principal diagnosis of tumor (ICD-10 codes C00-D48), cutaneous or...