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. 2018 Jan 11;13(1):e0191095.
doi: 10.1371/journal.pone.0191095. eCollection 2018.

Health economic assessment of Gd-EOB-DTPA MRI versus ECCM-MRI and multi-detector CT for diagnosis of hepatocellular carcinoma in China

Affiliations

Health economic assessment of Gd-EOB-DTPA MRI versus ECCM-MRI and multi-detector CT for diagnosis of hepatocellular carcinoma in China

Xiaoning He et al. PLoS One. .

Abstract

Limited data exists in China on the comparative cost of gadolinium ethoxybenzyl diethylenetriamine magnetic resonance imaging (Gd-EOB-DTPA-MRI) with other imaging techniques. This study compared the total cost of Gd-EOB-DTPA-MRI with multidetector computed tomography (MDCT) and extracellular contrast media-enhanced MRI (ECCM-MRI) as initial imaging procedures in patients with suspected hepatocellular carcinoma (HCC). We developed a decision-tree model on the basis of the Chinese clinical guidelines for HCC, which was validated by clinical experts from China. The model compared the diagnostic accuracy and costs of alternative initial imaging procedures. Compared with MDCT and ECCM-MRI, Gd-EOB-DTPA-MRI imaging was associated with higher rates of diagnostic accuracy, i.e. higher proportions of true positives (TP) and true negatives (TN) with lower false positives (FP). Total diagnosis and treatment cost per patient after the initial Gd-EOB-DTPA-MRI evaluation was similar to MDCT (¥30,360 vs. ¥30,803) and lower than that reported with ECCM-MRI (¥30,360 vs. ¥31,465). Lower treatment cost after initial Gd-EOB-DTPA-MRI was driven by reduced utilization of confirmatory diagnostic procedures and unnecessary treatments. The findings reported that Gd-EOB-DTPA-MRI offered higher diagnostic accuracy compared with MDCT and ECCM-MRI at a comparable cost, which indicates Gd-EOB-DTPA-MRI could be the preferred initial imaging procedure for the diagnosis of HCC in China.

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Conflict of interest statement

Competing Interests: Professor Jing Wu received financial support from Bayer Healthcare Co. Ltd. to conduct this study. This does not alter the authors’ adherence to all PLOS ONE policies on sharing data and materials.

Figures

Fig 1
Fig 1. Model structure for the decision-tree used in the economic evaluation.
Note: MDCT, multidetector computed tomography; ECCM-MRI, Extracellular contrast media–enhanced MRI; GD-EOB-DTPA-MRI, Gd-EOB-DTPA–enhanced magnetic resonance imaging.
Fig 2
Fig 2. Distribution of patients after initial imaging and all diagnostics.
Note: MDCT, multidetector computed tomography; ECCM-MRI, Extracellular contrast media–enhanced MRI; GD-EOB-DTPA-MRI, Gd-EOB-DTPA–enhanced magnetic resonance imaging.
Fig 3
Fig 3. Total costs of diagnostic and treatment procedures depending on initial imaging.
Note: MDCT, multidetector computed tomography; ECCM-MRI, Extracellular contrast media–enhanced MRI; GD-EOB-DTPA-MRI, Gd-EOB-DTPA–enhanced magnetic resonance imaging.
Fig 4
Fig 4. One-way sensitivity analyses.
Note: MDCT, multidetector computed tomography; ECCM-MRI, Extracellular contrast media–enhanced MRI; GD-EOB-DTPA-MRI, Gd-EOB-DTPA–enhanced magnetic resonance imaging.

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