Fig. 1.

Pain scores at baseline and after emergency department ultrasound-guided regional anesthesia in proximal femoral fractures. Pain scores at baseline and at 30, 60, and 120 min after an emergency physician-performed ultrasound-guided nerve block in emergency department patients with a proximal femoral fracture. 0 = absolutely no pain; 10 = most extreme pain. Boxes show median and interquartile range, whiskers mark the minimum and maximum (1.5 × lower and upper quartile), and dots are outliers. NRS numeric rating scale. *p <  0.001; **p <  0.001; ***p = 0.03