Fig. 3From: Application of lecture-and-team-based learning in stomatology: in-class and onlineHistogram of the VAS-pre (a) and VAS-post (b) scores across Years 2019–2021, presenting minimum and maximum values (vertical “t” lines, or whiskers). An asterisk indicates a significant difference according to Kruskal-Wallis one-way ANOVA (P < 0.05)Back to article page