Fig. 2

Comparison of students’ performance in the exam of Internal Medicine before the interventions. The students’ scores in the exam of Internal Medicine covering nephrology and other subjects such as cardiology, endocrinology, hematology, respiratory diseases and gastroenterology were assessed between the FC group and LBT group before the interventions. An independent samples t-test was used to compare the differences between these two groups. t = 0.3850 (df = 60), **p = 0.7016. Data were presented as mean ± SEM. NS: not significant. LBT, lecture-based teaching; FC, flipped classroom