Table 1. Study Population Characteristicsa.
| Patient characteristic | Data |
|---|---|
| No. | 201 |
| Sex, No. (%) | |
| Female | 108 (54) |
| Male | 93 (46) |
| Age, y, mean (SD) | 50.1 (20.9) |
| BMI,b mean (SD) | 25.5 (5.4) |
| Actionable diagnosis at CT, No. (%) | 109 (54%) |
| Primary diagnosis | 104 in 98 Patients (49) |
| Actionable secondary diagnosis | 17 in 17 Patients (8) |
| No primary or actionable secondary diagnosis | 92 (46) |
| Abdominal pain location, No. (%) | |
| Diffuse | 3 (1) |
| Epigastric | 5 (2) |
| Left lower quadrant | 20 (10) |
| Left upper quadrant | 2 (1) |
| Left abdomen | 1 (0.5) |
| Lower abdomen | 8 (4) |
| Periumbilical | 2 (1) |
| Right lower quadrant | 50 (25) |
| Right upper quadrant | 4 (2) |
| Right abdomen | 3 (1) |
| Pain location not specified | 103 (51) |
| Operation within last 30 d, No. (%) | 10 (5) |
| Suspected diagnosis by ordering health care professional, No. (%) | |
| Abscess | 3 (1) |
| Appendicitis | 9 (4) |
| Colitis | 1 (0.5) |
| Crohn disease | 4 (2) |
| Diverticulitis | 9 (4) |
| Hemorrhage | 1 (0.5) |
| Ischemic colitis | 1 (0.5) |
| Neoplasm | 2 (1) |
| Obstruction | 10 (5) |
| Pancreatitis | 3 (1) |
| Perforation | 3 (1) |
| Pyelonephritis | 1 (0.5) |
| Sepsis | 1 (0.5) |
| Trauma | 1 (0.5) |
| No suspected diagnosis provided | 152 (76) |
Abbreviation: CT, computed tomography
a
Patients presented to the emergency department with abdominal pain. Listed clinical information represents clinical history provided on the CT requisition in addition to abdominal pain.
b
Calculated as weight in kilograms divided by height in meters squared.