ACR-RADS (n = 57)RADS-ACR (n = 58)Both Groups (n = 115)
Attending physician46 (80.7%)46 (79.3%)92 (80.0%)
Trainee11 (19.3%)12 (20.7%)23 (20.0%)
Civilian8 (14.0%)10 (17.2%)18 (15.7%)
Uniformed49 (85.6%)48 (82.8%)97 (84.3%)
Sex
    Female13 (22.8%)15 (25.9%)28 (24.3%)
    Male44 (77.2%)43 (74.1%)87 (75.7%)
Age (years)
    ≤3010 (17.5%)13 (22.4%)23 (20.0%)
    31–4024 (42.1%)23 (39.7%)47 (40.9%)
    41–5021 (36.9%)14 (24.1%)35 (30.4%)
    >502 (3.5%)8 (13.8%)10 (8.7%)
Experience (years)
    <528 (49.1%)25 (43.1%)53 (46.1%)
    5–1014 (24.6%)13 (22.4%)27 (23.5%)
    >1015 (26.3%)20 (34.5%)35 (30.4%)
  • Groups were statistically compared using the χ2 test for homogeneity.

  • ACR-RADS, American College of Radiology Appropriateness Criteria then estimated radiation exposure information; RADS-ACR, estimated radiation exposure information then American College of Radiology Appropriateness Criteria.