Table 4 Breakdown of emergency room imaging by modality and coverage
Characteristic | All visits (N = 348) | ER imaging negative (N = 156) | ER imaging positive (N = 192) |
|---|---|---|---|
Chest Radiograph | 134 (38.5%) | 70 (44.9%) | 64 (33.3%) |
Abdomen Radiograph | 50 (14.4%) | 30 (19.2%) | 20 (10.4%) |
Brain CT | 38 (10.9%) | 17 (10.9%) | 21 (10.9%) |
Brain MR | 23 (6.6%) | 9 (5.8%) | 14 (7.3%) |
Musculoskeletal Radiograph | 23 (6.6%) | 13 (8.3%) | 10 (5.2%) |
Abdomen CT | 22 (6.3%) | 3 (1.9%) | 19 (9.9%) |
Abdomen US | 12 (3.4%) | 3 (1.9%) | 9 (4.7%) |
Chest CT | 7 (2.0%) | 0 (0.0%) | 7 (3.6%) |
Spine MR | 5 (1.4%) | 0 (0.0%) | 5 (2.6%) |
Chest and abdomen CT | 4 (1.1%) | 1 (0.6%) | 3 (1.6%) |
Head and neck MR | 4 (1.1%) | 1 (0.6%) | 3 (1.6%) |
Musculoskeletal CT | 4 (1.1%) | 1 (0.6%) | 3 (1.6%) |
Vascular US | 4 (1.1%) | 3 (1.9%) | 1 (0.5%) |
Abdomen MR | 3 (0.9%) | 0 (0.0%) | 3 (1.6%) |
Head and neck CT | 3 (0.9%) | 0 (0.0%) | 3 (1.6%) |
Other body part US | 3 (0.9%) | 0 (0.0%) | 3 (1.6%) |
Spine Radiograph | 2 (0.6%) | 1 (0.6%) | 1 (0.5%) |
Nuclear medicine | 2 (0.6%) | 0 (0.0%) | 2 (1.0%) |
Other body part Radiograph | 2 (0.6%) | 2 (1.3%) | 0 (0.0%) |
Musculoskeletal MR | 1 (0.3%) | 1 (0.6%) | 0 (0.0%) |
Spine CT | 1 (0.3%) | 1 (0.6%) | 0 (0.0%) |
Chest MR | 1 (0.3%) | 0 (0.0%) | 1 (0.5%) |