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The Optimal Parameter for Radiation Dose in Pediatric Low Dose Abdominal CT: Cross-sectional Dimensions versus Body Weight

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Fig. 1. An abdominal CT image at the level of the celiac axis shows a rectangular region of interest in the posterior segment of the right hepatic lobe used for measuring image noise  (stan-dard deviation of measured CT density).
Table 1. Abdominal Cross-sectional Dimensions and Body Weight in Groups 1 and 2
Fig. 2. Scatter plots (a-e) demonstrating correlation of cross-sec- cross-sec-tional dimensions and body weight with image noise in  pedi-atric abdominal CT of group 1 (10-20 kg in body weight)
Fig. 3. Scatter plots (a-e) demonstrating correlation of cross-sec- cross-sec-tional dimensions and body weight with image noise in  pedi-atric abdominal CT of group 2 (20-40 kg in body weight).

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