“…More than half of the 43 full-text journal articles [28–70] had a study design which involved analyses of data that were previously collected from patient medical record/chart review from hospitals, or databases (53.5%; N = 23) [28, 30–33, 37, 39, 40, 43, 44, 46, 49–51, 54–58, 61, 62, 65, 70]. The majority of the studies assessed the clinical effectiveness of liraglutide without an active comparator (81.4%; N = 35) [28, 29, 31, 34, 36–39, 41–49, 51–55, 57, 60–64, 66–71].…”