# Low Radiation Dose Implications in Obese Abdominal Computed Tomography Imaging
## 3 Results
### Radiation Dose
 } & \multirow{2}{*}{**Obese**} \\ \hline \multicolumn{2}{c}{**Organ**} & \multicolumn{1}{c}{**KVP**} & & & & & & & \\ \hline \multirow{4}{*}{Mid-lung} & 100 & 0.67 \(\pm\) 0.22 & 0.57 \(\pm\) 0.12 & 0.67 \(\pm\) 0.14 & 0.61 \(\pm\) 0.13 & 0.98 \(\pm\) 0.30 & 0.95 \(\pm\) 0.23 & 0.76 \(\pm\) 0.15 & 0.84 \(\pm\) 0.05 \\  & 120 & 0.81 \(\pm\) 0.07 & 0.93 \(\pm\) 0.07 & 1.01 \(\pm\) 0.23 & 1.23 \(\pm\) 0.42 & 1.56 \(\pm\) 0.05 & 1.11 \(\pm\) 0.11 & 1.48 \(\pm\) 0.45 & 1.72 \(\pm\) 0.04 \\  & 140 & 1.57 \(\pm\) 0.24 & 1.37 \(\pm\) 0.43 & 1.55 \(\pm\) 0.13 & 1.78 \(\pm\) 0.13 & 2.05 \(\pm\) 0.48 & 2.67 \(\pm\) 0.33 & 2.29 \(\pm\) 0.20 & 2.62 \(\pm\) 1.02 \\ \hline \multirow{4}{*}{Spine} & 100 & 9.70 \(\pm\) 0.78 & 6.71 \(\pm\) 0.57 & 13.13 \(\pm\) 1.53 & 7.90 \(\pm\) 0.44 & 16 \(\pm\) 0.79 & 9.03 \(\pm\) 0.92 & 20.76 \(\pm\) 0.40 & 11.43 \(\pm\) 0.40 \\  & 120 & 17.40 \(\pm\) 0.17 & 9.86 \(\pm\) 0.31 & 21.70 \(\pm\) 0.50 & 14.50 \(\pm\) 0.43 & 26.86 \(\pm\) 0.05 & 17.10 \(\pm\) 0.45 & 31.73 \(\pm\) 0.40 & 20.23 \(\pm\) 0.40 \\  & 140 & 23.76 \(\pm\) 0.80 & 14.80 \(\pm\) 0.87 & 30.63 \(\pm\) 0.55 & 19.66 \(\pm\) 1.06 & 37.16 \(\pm\) 1.47 & 24.50 \(\pm\) 0.88 & 46.20 \(\pm\) 0.87 & 29.23 \(\pm\) 0.85 \\ \hline \multirow{4}{*}{Stomach} & 100 & 8.87 \(\pm\) 1.24 & 8.15 \(\pm\) 0.66 & 13.20 \(\pm\) 1.11 & 9.88 \(\pm\) 1.07 & 16.56 \(\pm\) 1.04 & 12.40 \(\pm\) 1.24 & 20.20 \(\pm\) 0.79 & 14.36 \(\pm\) 0.35 \\  & 120 & 16.86 \(\pm\) 0.55 & 12.60 \(\pm\) 0.43 & 20.76 \(\pm\) 1.27 & 16.43 \(\pm\) 1.34 & 26.63 \(\pm\) 0.45 & 20.56 \(\pm\) 0.73 & 30.83 \(\pm\) 1.80 & 24.43 \(\pm\) 0.65 \\  & 140 & 21.76 \(\pm\) 0.15 & 17.40 \(\pm\) 0.65 & 30.43 \(\pm\) 1.23 & 23 \begin{table}
\begin{tabular}{c c c c c} \hline \hline
**Protocol** & **Phantom Size** & **Effective Dose (mSv)** & **DLP (mGy\_cm)** & **CTDIvol (mGy)** \\ \hline \multirow{2}{*}{150 mA, 100 kVp} & Normal weight & 8.63 & & \\ \cline{2-5}  & \multirow{2}{*}{Ohese} & 6.89 & & \\ \cline{2-5}  & & Normal weight & 14.90 & & \\ \cline{2-5}  & \multirow{2}{*}{Ohese} & 11.11 & 376.66 & 10.18 \\ \cline{2-5}  & & Normal weight & 19.88 & \\ \cline{2-5}  & \multirow{2}{*}{Ohese} & 16.39 & & \\ \cline{2-5}  & & Normal weight & 11.37 & & \\ \cline{2-5}  & & Ohese & 9.03 & & \\ \hline \multirow{2}{*}{200 mA, 120 kVp} & Normal weight & 18.47 & & \\ \cline{2-5}  & \multirow{2}{*}{Ohese} & 14.80 & & \\ \cline{2-5}  & & Normal weight & 26.39 & & \\ \cline{2-5}  & & Normal weight & 14.13 & & \\ \cline{2-5}  & & Ohese & 10.98 & & \\ \hline \multirow{2}{*}{250 mA, 120 kVp} & Normal-weighted & 23.02 & & \\ \cline{2-5}  & & Normal weight & 32.31 & & \\ \cline{2-5}  & & Ohese & 27.28 & & \\ \hline \multirow{2}{*}{300 mA, 100 kVp} & Normal weight & 17.09 & & \\ \cline{2-5}  & & Ohese & 13.25 & & \\ \hline \multirow{2}{*}{300 mA, 120 kVp} & Normal weight & 27.29 & & \\ \cline{2-5}  & & Ohese & 21.76 & & \\ \hline \multirow{2}{*}{300 mA, 140 kVp} & Normal weight & 39.25 & & \\ \cline{2-5}  & [PERSON] & 31.94 & & \\ \hline \hline \end{tabular}
\end{table} 
Table 4: Effective dose in millisievert (mSv), dose length product (DLP) in milliGray-Centimeter (mGy-cm), and volume CT dose index (CTDIvol) in milliGray (mGy) values for both phantoms (normal-weighted and obese). \begin{table}
\begin{tabular}{c c c c c c c c c} \hline \hline
**mA** & \multicolumn{2}{c}{**150**} & \multicolumn{2}{c}{**200**} & \multicolumn{2}{c}{**250**} & \multicolumn{2}{c}{**300**} \\ \hline \multicolumn{2}{c}{**Phantom Size**} & \multicolumn{2}{c}{**Normal-Weighted**} & \multicolumn{2}{c}{**Obese**} & \multicolumn{2}{c}{**Normal-Weighted**} & \multicolumn{2}{c}{**Obese**} & \multicolumn{2}{c}{**Normal-Weighted**} & \multicolumn{2}{c}{**Obese**} \\ \hline
**Organ** & **kVp** & & & & & & \\ \hline \multirow{2}{*}{\ \begin{tabular}{c} Skin \\ Posterior \\ \end{tabular}