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Table 5
Acquisitions parameters and ours DRL CI of paediatric CT examinations of the abdomen-pelvis based by age group of children.
| CI for chest-abdomen-pelvis CT | Age group (Years) |
Tube voltage (kV) |
Tube charge (mAs) |
Number of series | Explored length (cm) |
Pitch | Our study | |
|---|---|---|---|---|---|---|---|---|
| Min-Mean-Max | Min-Mean-Max | Min-Mean-Max | Min-Mean-Max | Min-Max | P75 CTDI vol (mGy) |
P75 DLP (mGy) |
||
| Tumoral Extension | 1–5 | 110–110–110 | 47–67–116 | 2–3.4–6 | 80–153–276 | 1–1.3 | 5.4 | 966 |
| 5–10 | 110–112–130 | 32–77–105 | 3–4-7 | 141–194–354 | 0.8–1.3 | 6.3 | 1300 | |
| 10–15 | 110–114–130 | 38–86–154 | 3–3.9–6 | 93–208–335 | 0.8–1.3 | 7.8 | 1738 | |
| Infection/Inflammation | 1–5 | 110–110–110 | 48–60–71 | 1–2.7–4 | 36–102–186 | 1–1.3 | 4.7 | 552 |
| 5–10 | 110–111–130 | 40–74–106 | 2–3.2–6 | 77–147–214 | 0.8–1.3 | 5.8 | 948 | |
| 10–15 | 110–118–130 | 36–75–118 | 1–3.2–5 | 83–176–311 | 0.8–1.3 | 7.1 | 1417 | |
| Tumor Control | 1–5 | 110–110–110 | 42–56–77 | 1–1.8–4 | 35–81–157 | 1–1.3 | 4.9 | 471 |
| 5–10 | 110–113–130 | 27–69–9 | 1–2.7–4 | 49–123–195 | 0.8–1.3 | 5.6 | 813 | |
| 10–15 | 110–117–130 | 37–69–99 | 1–2.6–4 | 51–137–242 | 0.8–1.3 | 7.6 | 1106 | |
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