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Lifetime survival and medical costs of lung cancer: a semi-parametric estimation from South Korea.


ABSTRACT:

Background

It is essential to have information on the disease burden of lung cancer at an individual level throughout the life; however, few such results have been reported. Thus, this study aimed to assess the lifetime disease burden in patients with lung cancer by assessing various factors, such as survival, years of life lost (YLL) and medical expenditure in South Korea based on real-world data and extrapolation.

Methods

Newly diagnosed lung cancer patients (n?=?2919) in 2004-2010 were selected and observed until the end of 2015 using nationwide reimbursement claim database. The patients were categorised into the Surgery group, Chemo and/or Radiotherapy group (CTx/RTx), and Surgery+CTx/RTx according to their treatment modality. Age- and sex-matched control subjects were selected from among general population using the life table. The survival and cost data after diagnosis were analysed by a semi-parametric method, the Kaplan-Meier analysis for the first 100?months and rolling extrapolation algorithm for 101-300?months. YLL were derived from the difference in survival between patients and controls.

Results

Lifetime estimates (standard error) were 4.5 (0.2) years for patients and 14.5 (0.1) years for controls and the derived YLL duration was 10.0 (0.2) years. Lifetime survival years showed the following trend: Surgery (14.2?years)?>?Surgery+CTx/RTx (8.5?years)?>?CTx/RTx group (3.0?years), and YLL were increased as lifetime survival years decreased (2.3, 8.7, 12.2?years, respectively). The mean lifetime medical cost was estimated at 30,857 USD/patient. Patients in the Surgery group paid higher treatment cost in first year after diagnosis, but the overall mean cost per year was lower at 4359 USD compared with 7075USD of Surgery+CTx/RTx or 7626USD of CTx/RTx group.

Conclusions

Lung cancer has resulted in about 10?years of life lost in overall patients. The losses were associated with treatment modality, and the results indicated that diagnosing lung cancer in patients with low stage disease eligible for surgery is beneficial for reducing disease burden in terms of survival and treatment cost per year throughout the life.

SUBMITTER: Park HY 

PROVIDER: S-EPMC7650522 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature

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Lifetime survival and medical costs of lung cancer: a semi-parametric estimation from South Korea.

Park Hae-Young HY   Hwang Jinseub J   Kim Do-Hyang DH   Jeon Soo Min SM   Choi Sun Ha SH   Kwon Jin-Won JW  

BMC cancer 20200903 1


<h4>Background</h4>It is essential to have information on the disease burden of lung cancer at an individual level throughout the life; however, few such results have been reported. Thus, this study aimed to assess the lifetime disease burden in patients with lung cancer by assessing various factors, such as survival, years of life lost (YLL) and medical expenditure in South Korea based on real-world data and extrapolation.<h4>Methods</h4>Newly diagnosed lung cancer patients (n = 2919) in 2004-2  ...[more]

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