Table 1.

Imaging procedures performed by the emergency department physicians for the diagnostic management of 239 patients who reported acute abdominal pain as their chief complaint at admission

Imaging procedure performed	Frequency of patients	Frequency of NSA as final operative diagnosis
X-ray	83 (35.1%)	24 (28.6%)
Ultrasound	105 (43.9%)	33 (31.4%)
Computer tomography	39 (16.3%)	11 (28.2%)
X-ray and ultrasound	27 (11.3%)	10 (37.0%)
X-ray and computer tomography	8 (3.3%)	1 (12.5%)
Ultrasound and computer tomography	14 (5.9%)	5 (35.7%)
X-ray and ultrasound and computer tomography	4 (1.7%)	1 (25.0%)

NSA: non-specific abdominal pain.