Patient perspectives on the use of half-unit insulin pens by people with type 1 diabetes: a cross-sectional observational study.

Half-unit insulin pen is perceived as an insulin device that may help people with T1D to avoid hypo- and hyperglycemic events and decrease their level of disease worry and anxiety. This study highlights the need for patients and health care providers to understand the benefits of half-unit pens while considering options for individualized diabetes management.