Table 2 Comparison of Skull (Trauma) radiological protocol parameters, CTIDV (mGy) and DLP (mGy.cm) for one acquisition in the various hospitals in 2015
From: Optimization of pediatric CT scans in a developing country
Skull exami-nation/ age | Hospi-tal | kV mean (min-max) | mAs mean (min-max) | T(mm) mean (min-max) | Pitch mean (min-max) | CTDIV mean (min-max) | DLP mean (min-max) | Mode |
|---|---|---|---|---|---|---|---|---|
< 1 | H 1 | 120 (120–120) | 175 (175–175) | 2.5 (2,5 − 2 ,5) | 0.94 (0,94 − 0,94) | 37.1 (37.1–37.1) | 1061.06 (368.77–1298,5) | Helical |
H 2 | 120 (120–120) | 280 (280–280) | 1.75 (1.25–2.5) | 0.625 (0.62–0.62) | 46.99 (5.25–51.94) | 963.70 (211.4-1193.8) | Helical | |
H 3 | 120 (120–120) | 150 (150–150) | 1.25 (1.25–1.25) | 0.562 (0.56–0.56) | 43.44 (43.44–43.44) | 580.93 (580.9-580.93) | Helical | |
1–4 | H 1 | 120 (120–120) | 175 (175–175) | 2.5 (2,5 − 2 ,5) | 0.94 (0,94 − 0,94) | 37.1 (37.1–37.1) | 1209.46 (1209.46-1209.46) | Helical |
H 2 | 120 (120–120) | 280 (280–280) | 2.25 (2.25–2.25) | 0.625 (0.62–0.62) | 49.46 (37.45–51.94) | 941.51 (696.27-1206.87) | Helical | |
H 3 | - | - | - | - | - | - | - | |
5–9 | H 1 | 120 (120–120) | 175 (175–175) | 2.5 (2,5 − 2 ,5) | 0.94 (0,94 − 0,94) | 37.1 (37.1–37.1) | 1143.79 (1143.79-1143.79) | Helical |
H 2 | 120 (120–120) | 224 (224–224) | 1.65 (1.25–2.5) | 0.625 (0.62–0.62) | 42.96 (37.1-51.94) | 1138.05 (888.84-1518.52) | Helical | |
H 3 | 120 (120–120) | 280 (280–280) | 1.25 (1.25–1.25) | 1.375 (1.37–1.37) | 46.44 (46.44–46.44) | 822.13 (822.13-822.13) | Helical | |
10–14 | H 1 | - | - | - | - | - | - | - |
H 2 | 120 (120–120) | 262,53 (149–280) | 2.12 (1.25–2.5) | 0.625 (0.62–0.62) | 39,06 (22.39–54.94) | 859.65 (643.97-1280.63) | Helical | |
H 3 | - | - | - | - | - | - | - |