Table 1. Confidence in Performing Ultrasound Examination.

Confidence of postgraduate year-1 emergency medicine residents in performing various ultrasound examinations before and after a one day training session

^†(1 = lowest confidence, 10 = highest confidence)

*p < 0.0001, Wilcoxon matched-pairs signed-rank test

FAST: focused assessment with sonography for trauma

	Confidence in Performing Ultrasound Examination†
	Median (Interquartile Range)
Ultrasound Examination	Before Orientation	After Orientation	Increase
FAST	5.5 (3 - 7)	7.5 (6 - 9)	2 (1 - 3)*
Aorta	4 (2 - 6)	7 (5 - 8)	2.5 (1 - 4)*
Renal	4 (2 - 6)	7 (6 - 8)	2 (1 - 4)*
Cardiac	3 (2 - 6)	7 (5 - 8)	2.5 (1 - 4)*
Soft Tissue	5 (3 - 7)	7.5 (5 - 9)	2 (1 - 4)*
Thoracic	3.5 (2 - 7)	7 (6 - 8)	3 (1 - 5)*
Vascular Access	5 (2 - 7)	8 (6 - 8)	2 (1 - 4)*