Table 3.
Characteristics of incidental findings
| Characteristic | Total-body CT | Standard work-up | p* |
|---|---|---|---|
| Incidental findings, n | 441 | 290 | |
| Body region, n (%) | |||
| Head | 56 (12.7) | 39 (13.4) | 0.786 |
| Neck | 26 (5.9) | 22 (7.6) | |
| Thorax | 65 (14.7) | 47 (16.2) | |
| Abdomen/pelvis | 292 (66.2) | 180 (62.1) | |
| Extremities | 2 (0.5) | 2 (0.7) | |
| Organ system, n (%) | |||
| Reno-adrenal | 112 (25.4) | 75 (25.9) | 0.696 |
| Hepatobiliary | 92 (20.9) | 64 (22.1) | |
| Respiratory | 55 (12.5) | 27 (9.3) | |
| Reticuloendothelial | 49 (11.1) | 33 (11.4) | |
| Neurological | 33 (7.5) | 25 (8.6) | |
| Endocrine | 27 (6.1) | 21 (7.2) | |
| Gastrointestinal | 27 (6.1) | 11 (3.8) | |
| Urethro-genital | 18 (4.1) | 15 (5.2) | |
| Cardiovascular | 16 (3.6) | 15 (5.2) | |
| Musculoskeletal | 11 (2.5) | 4 (1.4) | |
| Cutaneous | 1 (0.2) | 0 (0) | |
| Neoplasm | |||
| Confirmed | 20 (4.5) | 10 (3.4) | 0.456 |
| Suspected | 29 (6.6) | 14 (4.8) | |
* Chi-square test for distribution across categories