The Concizumab Pen-Injector is Easy to Use and Preferred by Hemophilia Patients and Caregivers: A Usability Study Assessing Pen-Injector Handling and Preference [Corrigendum]

Table 4 Measurements of training time, time to administer an injection, and the correct execution of the injection

Figure 3 The ease of learning and ease of use of the pen-injector as assessed using the HDHPA questionnaire. (A) Responses from participants to HDHPA question 1 on factors associated with ease of handling and use of concizumab pen-injector. Participants were asked to select the response that most closely represented how they felt using the pen-injector. (B) Responses from participants to HDHPA question 2 on overall difficulty or ease of use of the concizumab pen-injector. Responses were assessed on a 5-point scale ranging from very difficult to very easy. Responses for very difficult and difficult were combined to represent negative results and the responses easy and very easy were combined to represent positive results. Data are presented as number of responses with percentages % (n).