TABLE 2.
Parameter | 160-mm Group | 140-mm Group | 120-mm Group |
---|---|---|---|
Tube current (mAs) | 110 ± 18 | 118 ± 40 | 112 ± 13 |
Tube voltage | 119 ± 6.91 | 119 ± 2.94 | 120 |
Collimation | 0.5 × 0.5 | 0.5 × 0.5 | 0.5 × 0.5 |
Modulation | Yes | Yes | Yes |
Rotation time (ms) | 0.35 | 0.35 | 0.35 |
Heart rate during scan (beats/min) | 59 ± 7.01 | 56 ± 5.74 | 58 ± 3.96 |
Duration of examination (min) | 25 ± 7.16 | 24 ± 8.74 | 24 ± 7.75 |
Note—Values are mean ± SD unless otherwise indicated.