Volume 27, Number 3—March 2021
Research Letter
Validity of Diagnosis Code–Based Claims to Identify Pulmonary NTM Disease in Bronchiectasis Patients
Figure

Figure. Flow diagram of the analytic sample (n = 403) of Medicare beneficiaries and persons from BRR matched during 2006–2014, United States. Original pool of Medicare beneficiaries (n = 530) included beneficiaries of Medicare parts A, B, and D but not C and excluded those with cystic fibrosis and a history of HIV or organ transplant. BRR, Bronchiectasis and NTM Research Registry.
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