Fig. 2
Evolution of anxiety status throughout study period. Figure represents changes on Hamilton Anxiety Rating Scale along study period in all groups. Data represent mean ± sd. Statistical differences were evaluated by a repeated measures general linear model. Post hoc evaluation of differences among time periods were performed with Sidak’s test for multiple comparison. Different letters represent statistically significant differences (F = 25.065, gl = 213, partial η2 = 0.191)