Table 1. Comparison of clinical characteristics and cumulative radiation doses.
Men | TACE | CH | Control |
Background data | n = 48 | n = 17 | n = 33 |
Age (years) | 67.1±9.0 | 66.3±7.6 | 66.5±7.1 |
BMI (kg/m2) | 23.2±2.8 | 21.8±2.4 | 23.8±3.9 |
Radiation exposure | |||
CTDIv (CT) (mGy) | 350††[50, 1950] | 200** [50, 950] | 50 [0, 700] |
CTDIv (TACE) (mGy) | 148 [15, 528] | ||
DLP (CT) (mGy×cm) | 14350†† ,+[2000, 78000] | 7600 [0, 22900] | 4500 [0, 22200] |
DLP (TACE) (mGy×cm) | 2818 [305, 17985] | ||
Entrance skin dose (mGy) | 790.9 [36, 5911] | ||
Women | TACE | CH | Control |
Background data | n = 33 | n = 18 | n = 46 |
Age (years) | 67.4±7.8 | 61.7±6.9 | 62.5±9.3 |
BMI (kg/m2) | 23.0±3.4 | 22.9±4.4 | 22.5±3.4 |
Radiation exposure | |||
CTDIv (CT) (mGy) | 374†† , ** [100, 1650] | 250 [0, 1150] | 0 [0, 200] |
CTDIv (TACE) (mGy) | 101 [26, 1723] | ||
DLP (CT) (mGy×cm) | 9450†, ** [2800, 33000] | 6900 [0, 36000] | 1900 [0, 13000] |
DLP (TACE) (mGy×cm) | 1880 [489, 6599] | ||
Entrance skin dose (mGy) | 817 [76, 4465] |
Note. Values represent the means ± standard deviation or medians [range].
BMI, body mass index; CTDIv (CT): CTDIv of routine dynamic CT scan; CTDIv (TACE): CTDIv during TACE; DLP (CT): DLP of routine dynamic CT scan; DLP (TACE): DLP during TACE.
**P<0.01, control vs. CH group.
P<0.01, †P<0.05 control vs. TACE group.
+P<0.05, TACE group vs. CH group.