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Fig. 2 | BMC Medical Education

Fig. 2

From: Using formalin embalmed cadavers to teach fracture identification with ultrasound

Fig. 2

Differentiation Between Tissue Layers. A series of bar graphs depicting participant responses to a group of questionnaire items that asked participants to identify the sonographic appearance of relevant layers of tissue as seen on still ultrasound images of cadaveric bone. The Y axis of each panel represents the number of participant responses, and the X axis indicates questionnaire items. Panels a-d display the number of correct (black bar) versus incorrect (shaded bar) responses. Analysis via Chi-squared test yielded the following p-values Q1(p = 0.302), Q2(p = 0.001), Q3(p = 0.001), Q4(p = 0.021) from pre- to post-training. From post- to 5-months post-training, the P values were calculated to be Q1(p = 0.093), Q2(p = 0.285), Q3(p = 0.036), and Q4 (p = 0.575)

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