Fig. 2From: Asynchronous online lecture may not be an effective method in teaching cardiovascular physiology during the COVID-19 pandemicStudents’ academic achievement. Students’ achieved scores in the summative exams are presented as follows: A total score, B score grouped by topics taught by the same teachers (topics 4–8 and 10 in Table 1), and C score grouped by topics taught by different teachers (topics 1–3 and 9 in Table 1). Data are presented by box-and-whisker plots using the Tukey method [boxes indicating an interquartile range (IQR), whiskers indicating 1.5 times IQR, lines in the box indicating the median, and plus signs in the box indicating mean]. Differences in scores between academic years in A and B were analysed by unpaired t testBack to article page