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Comparison of Scanning Dose and Image Quality of Different Combined Phantom Scans
| 70kv,150mAs | 80kv,70mAs | Sn100kv,270mAs | 120kv,30mAs | 120kv,150mAs | |
|---|---|---|---|---|---|
| Spatial resolution | 6 | 6 | 6 | 6 | 6 |
| Noise | 7.39 | 6.268 | 5.473 | 5.137 | 2.26 |
| CTDIvol | 1.35 | 1.03 | 0.93 | 1.59 | 7.97 |
| DLP | 20.8 | 16.7 | 14.4 | 24.6 | 122.9 |
| ED | 0.28 | 0.23 | 0.20 | 0.34 | 1.72 |
Abbreviations: CTDIvol, CT volume dose index; DLP, effective dose length product; ED, effective dose.
