24 June 2021>: Clinical Research
An Individualized Contrast-Enhanced Liver Computed Tomography Imaging Protocol Based on Body Mass Index in 126 Patients Seen for Liver Cirrhosis
Jian Jiang ABCEG , Maowei Zhang BD , Yuan Ji BCDF , Chunfeng Li CD , Xin Fang BF , Shuyuan Zhang B , Wei Wang CF , Lijun Wang EF , Ailian Liu ACEF*DOI: 10.12659/MSM.932109
Med Sci Monit 2021; 27:e932109
Table 4 Quantitative image noise, contrast-to-noise, and figure of merit for the 3 multiphasic liver CT protocols in the late arterial phase.
Characteristic | Group A | Group B | Group C | P value A vs B | P value A vs C | P value B vs C |
---|---|---|---|---|---|---|
Image noise | 11.61±2.57 | 9.84±2.13 | 7.92±1.53 | 0.002 | ||
Mean CNR | ||||||
Liver | 1.48±0.98 | 2.06±1.26 | 2.67±1.56 | 0.045 | 0.001 | 0.049 |
Aorta | 24.09±6.50 | 27.57±8.21 | 33.96±8.16 | 0.058 | ||
Portal vein | 7.55±3.00 | 9.37±3.99 | 11.41±4.13 | 0.019 | 0.005 | |
Pancreas | 5.30±1.46 | 6.20±2.17 | 8.03±2.93 | 0.073 | 0.003 | |
Mean FOM | ||||||
Liver | 1.67±1.98 | 2.13±2.54 | 1.82±1.78 | 0.609 | ||
Aorta | 327.22±174.54 | 310.71±211.25 | 235.77±110.51 | 0.108 | ||
Portal vein | 32.24±32.68 | 37.57±38.26 | 28.25 ±21.63 | 0.620 | ||
Pancreas | 15.83±8.54 | 15.78±12.61 | 14.02±10.09 | 0.365 | ||
Unless otherwise specified, data are means±standard deviations. CNR – contrast-to-noise ratio; FOM – figure of merit. |