Patient characteristics and radiation dose in CT protocols with various tube currents
| Characteristic | 320 mAs | 275 mAs | 225 mAs | P |
|---|---|---|---|---|
| Age | 63 ± 14 | 67 ± 13 | 66 ± 12 | .54 |
| Sex (male/female) | 12/18 | 14/16 | 19/11 | .17 |
| CTDIvol (mGy) | 60.1 | 51.8 | 42.3 | — |
| DLP (mGy.cm) | 1043 ± 53 | 890 ± 34 | 733 ± 52 | <.0001 |
| Effective dose (mSv) | 2.2 ± 0.1 | 1.8 ± 0.07 | 1.5 ± 1.0 | <.0001 |