Table 2.

Preoperative ultrasonogram availability per patient and ordering physician

Variable	No. (%) of infants		p value
	Pediatric urology n = 405	Pediatric surgery n = 83
No. of patients with preoperative ultrasonograms	105 (25.9)	32 (39)	0.02
Preoperative ultrasonography ordered by respective surgical service	15 (3.7)	21 (25)	< 0.001
Specialty of physician ordering preoperative ultrasonography
General surgery	3 (2.9)	21 (66)
Urology	15 (14.3)	0 (0)
Primary care	32 (30.5)	0 (0)
Pediatrics	30 (28.6)	7 (22)
Emergency medicine	6 (5.7)	2 (6)
Hematology/oncology	1 (1.0)	0 (0)
Endocrinology	0 (0.0)	1 (3)
Unidentified	18 (17.1)	1 (3)