Publication: Cost-effectiveness analysis of diagnostic tests for para-aortic lymph node detection in locally advanced cervical cancer
Issued Date
2021-01-01
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11786981
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2-s2.0-85119923461
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Mahidol University
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SCOPUS
Bibliographic Citation
ClinicoEconomics and Outcomes Research. Vol.13, (2021), 943-955
Suggested Citation
Kanyarat Katanyoo, Usa Chaikledkaew, Montarat Thavorncharoensap, Arthorn Riewpaiboon Cost-effectiveness analysis of diagnostic tests for para-aortic lymph node detection in locally advanced cervical cancer. ClinicoEconomics and Outcomes Research. Vol.13, (2021), 943-955. doi:10.2147/CEOR.S327698 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/76879
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Title
Cost-effectiveness analysis of diagnostic tests for para-aortic lymph node detection in locally advanced cervical cancer
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Abstract
Purpose: We aimed to determine the cost-effectiveness of diagnostic tests, ie, computed tomography (CT), magnetic resonance imaging (MRI), and fluorine-18-fluorodeoxyglucose positron emission tomography/computed tomography (PET⁄CT) for para-aortic lymph node detection (PALND), in locally advanced cervical cancer (LACC) patients (stages IB3–IVA) with or without laparoscopic lymphadenectomy (LL) compared with no investigation (NoIx) based on provider and societal perspectives during 5 years. Patients and Methods: Hybrid decision tree and Markov models were conducted to compare the cost and utility of six interventions including: 1) CT without LL, 2) CT with LL, 3) MRI without LL, 4) MRI with LL, 5) PET/CT without LL, and 6) PET/CT with LL compared with NoIx. All clinical parameters were obtained from published studies. Costs were presented in year 2019 values. Direct medical costs were retrieved from hospital database, while direct non-medical costs and utility were collected from interviewing 194 LACC patients during June to December 2019. One-way and probabilistic sensitivity analysis were used to investigate parameter uncertainties. Results: Total costs of NoIx were $8026 and $11,444 from provider and societal perspec-tives, respectively, and quality-adjusted life year (QALY) was 3.70. NoIx was more effective and less costly. When six strategies were compared with NoIx, more additional costs were shown with $1835, $1735, $2022, $1987, $4002, and $4176 for CT without LL, CT with LL, MRI without LL, MRI with LL, PET/CT without LL, and PET/CT with LL, whereas QALYs were decreased with 0.07, 0.08, 0.07, 0.08, 0.05, and 0.07, respectively. Sensitivity analyses strengthened the benefit of NoIx. The most significant parameter was treatment outcomes of patients with PALN metastasis. Conclusion: NoIx or receiving basic clinical staging was a dominant option when compared with CT, MRI, and PET/CT for PALND before providing the treatment for LACC patients.