Insulin-related outcomes (satisfaction, pain, and adherence) among type II diabetes patients switched from syringe to insulin pen

Background: The purpose of this study was to compare the effect of insulin-related outcomes (satisfaction, pain and treatment adherence) in patients using insulin pen and syringe. Method: We conducted a comparative interventional study. The subjects were 110 diabetic patients attending Kermanshah Diabetes Clinic. 110 Subjects were selected through simple random sampling. Data were gathered using a researcher-made treatment satisfaction questionnaire; a General Adherence Scale (GAS) and Chronic Graded Pain Scale (CGPS). Data were analyzed using SPSS version 21. Results: Independent t-test results showed no significant difference in the satisfaction of patients using pen vs. syringe (p <0.05). However, injection pain and treatment adherence was significantly (p