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Table 4
Acquisitions parameters and ours DRL CI of paediatric CT examinations of the abdomen-pelvis based by age group of children.
| CI for abdomen-pelvis | 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 | P75CTDIvol (mGy) | P75DLP (mGy) | ||
| Abdominal Pain | 1–5 | 110–110–110 | 36–57–82 | 1–1.5–4 | 20–53–133 | 1.3–1.3 | 5.1 | 316 |
| 5–10 | 110–115–130 | 36–65–94 | 1–2-4 | 25–85–199 | 0.8–1.3 | 5.3 | 616 | |
| 10–15 | 110–119–130 | 28–76–112 | 1–1.9–4 | 27–92–201 | 0.8–1.3 | 7.3 | 623 | |
| Ileus | 1–5 | 110–110–110 | 26–54–76 | 2–3.8–5 | 64–117–177 | 1.3–1.3 | 4.6 | 586 |
| 5–10 | 110–114–130 | 32–69–91 | 1–3.2–5 | 41–146–253 | 0.8–1.3 | 5.4 | 896 | |
| 10–15 | 110–119–130 | 30–75–170 | 1–3.3–5 | 50–148–247 | 0.8–1.3 | 7.7 | 1167 | |
| Adrenal Neuroblastoma | 1–5 | 110–110–110 | 33–63–95 | 3–3.9–5 | 90–146–217 | 1.3–1.5 | 4.9 | 788 |
| 5–10 | 110–114–130 | 31–73–107 | 3–4-6 | 108–184–291 | 0.8–1.5 | 5.7 | 1082 | |
| 10–15 | 110–118–130 | 37–90–175 | 3–4-6 | 95–192–282 | 0.8–1.5 | 8.1 | 1654 | |
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