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 3 Patient demographic data and radiation dose for multiphasic liver CT studies.
Group A | Group B | Group C | P value A vs B | P value A vs C | P value B vs C | |
---|---|---|---|---|---|---|
No. of patients | 29 | 58 | 39 | NA | NA | NA |
Patient age (y) | 59.2±13.6 | 61.7±13.6 | 561.8±10.6 | 0.420 | 0.468 | 0.420 |
Mean BMI (kg/m) | 21.8±1.6 | 26.00±1.26 | 29.05±1.0 | |||
Mean BW (kg) | 58.0±7.3 | 74.1±7.2 | 84.2±9.7 | |||
Contrast medium volume (ml) | 68.1±8.5 | 108.6±10.6 | 144.6±9.2 | |||
Contrast medium rate (ml/s) | 2.7±0.3 | 3.6±0.4 | 4.8±0.3 | |||
CTDI (mGy) | 4.80±1.78 | 7.14±0.72 | 12.23±1.18 | |||
DLP (mGy·cm) | 129.07±29.65 | 189.00±33.58 | 346.67±44.84 | |||
Effective dose (mSv) | 1.93±0.44 | 2.84±0.50 | 5.20±0.67 | |||
SSDE (mGy) | 7.55±3.11 | 9.62±1.43 | 15.08±1.83 | |||
Unless otherwise specified, data are means±standard deviations, NA – not applicable; BMI – body mass index; BW – body weight; CTDI – CT dose index; DLP – dose-length product; SSDE – size-specific dose estimate. |