Table 1.

Patient attrition

	Criteria	Number
A	Adult patients who had ≥ 1 inpatient or outpatient claim with a diagnosis for amyloidosis (except light chain and wild type) between January 1, 2014 and December 31, 2016. The first diagnosis date was defined as the index date	9802
B	Of A, who had a claim with ICD-10 diagnosis code E85.1 or E85.2, or an additional qualifier for ATTRv amyloidosis in Y2013–Y2017	367a
C	Of B, who had no amyloidosis diagnosis and were continuously enrolled in 1 year prior to the index date (newly diagnosed patients)	253
D	Of C, who were continuously enrolled in the 1-year period after the index date	185

ATTRv hereditary transthyretin

^a322 patients had a claim with E85.1 or E85.2, 60 had ≥ 15 days of diflunisal use, and 11 had a liver transplant; some patients may have had multiple qualifiers