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Table 3
Acquisitions parameters and ours DRL CI of paediatric chest CT examinations by age group of children.
| CI For Chest 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) |
||
| Bronchiectasis / Bronchitis | 1–5 | 110–110–110 | 22–36–60 | 1–1.6–3 | 17–35–96 | 1–1.5 | 3.7 | 119 |
| 5–10 | 110–112–130 | 33–55–92 | 1–1.4–2 | 21–49–120 | 0.8–1.5 | 4.7 | 253 | |
| 10–15 | 110–118–130 | 32–55–94 | 1–1.37–3 | 16–44–145 | 0.8–1.5 | 5.1 | 238 | |
| Pneumonia | 1–5 | 110–110–110 | 21–42–64 | 1–2.2–4 | 18–48–79 | 1–1.5 | 3.8 | 193 |
| 5–10 | 110–113–130 | 18–47–76 | 1–2.3–3 | 23–62–98 | 0.8–1.5 | 4.5 | 314 | |
| 10–15 | 110–116–130 | 21–51–80 | 1–2.3–4 | 29–67–145 | 0.8–1.5 | 4.8 | 351 | |
| Congenital Malformation | 1–5 | 110–110–110 | 18–36–52 | 2–3.2–6 | 19–63–221 | 1–1.5 | 3.8 | 221 |
| 5–10 | 110–120–130 | 22–50–85 | 2–3.7–7 | 39–82–162 | 0.8–1.5 | 5.4 | 487 | |
| 10–15 | 110–120–130 | 26–49 −89 | 2–3.7–7 | 48–101–240 | 0.8–1.5 | 5.8 | 656 | |
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