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 Jiang1ABCEG, Maowei Zhang1BD, Yuan Ji1BCDF, Chunfeng Li1CD, Xin Fang1BF, Shuyuan Zhang1B, Wei Wang2CF, Lijun Wang1EF, Ailian Liu1ACEF*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. | ||||||