Patients with Slow Helical CT over 29 Seconds During Breathing Compared with Patients with Fast 4-Second Helical CT at End-Expiratory Breath-Holding
| Comparison | No artifacts | Artifacts | Total | % artifacts |
|---|---|---|---|---|
| Slow helical CT with breathing | 106 | 39 | 145 | 27 |
| Fast helical CT at end expiration | 50 | 64 | 114 | 56 |
| Total | 156 | 103 | 259 | 40 |
χ2 P = 0.001.