Fig. 3From: The efficacy of an anatomy and ultrasonography workshop on improving residents’ confidence and knowledge in regional anesthesiaComparison of Pre- and Post-Confidence Surveys for all 17 PGY-4 Anesthesia Residents. The alpha level was adjusted through the Bonferroni correction, which adjusted the significance level to 0.0036. Six of the fourteen confidence statements had statistically significant increases following the workshop. *p < .0036; ** p < .001Back to article page