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. 2021 Oct 12;4(10):e2128782. doi: 10.1001/jamanetworkopen.2021.28782

Figure 2. Insulin Vial/Syringe and Pen Use by Year, 2016-2020.

Figure 2.

Inhaled insulin was not included in this analysis because treatment visits accounted for less than 1% of total treatment visits during the study period. Data source: National Disease and Therapeutic Index, 2016-2020 (IQVIA).