Using Period Analysis to Timely Assess and Predict 5-Year Relative Survival for Liver Cancer Patients From Taizhou, Eastern China

Wang, Youqing; Zhang, Luyao; Han, Fang; Li, Runhua; Cheng, Yongran; Jiang, Xiyi; Wang, Liangyou; Chen, Jinfei; Ji, Jianguang; Zhang, Yuhua; Chen, Tianhui

doi:10.3389/fonc.2022.920094

Front. Oncol.

2022

DOI: 10.3389/fonc.2022.920094

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Using Period Analysis to Timely Assess and Predict 5-Year Relative Survival for Liver Cancer Patients From Taizhou, Eastern China

Youqing Wang

Luyao Zhang

Fang Han

et al.

Abstract: IntroductionWhile timely assessment of long-term survival for patients with liver cancer is essential for the evaluation of early detection and screening programs of liver cancer, those data are extremely scarce in China. We aimed to timely and accurately assess long-term survival for liver cancer patients in eastern China.MethodsPatients diagnosed with liver cancer during 2004–2018 from four cancer registries with high-quality data from Taizhou, eastern China, were included. The period analysis was used to ca… Show more

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“…Thirdly, our data were from eastern China covering developed areas, while the data from 17 cancer registries covered less developed areas. 5 Taken together, survival estimates on esophageal cancer patients using period approach are plausibly higher due to our data sources from developed regions with up‐to‐date data, advances on medical treatment, and more access to medical insurance.…”

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Timely assessment of 5‐year relative survival of esophageal cancer patients in Taizhou, Zhejiang province

Zhang

Cheng

Jiang

et al. 2023

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Dear Editor, Regarding the burden of esophageal cancer worldwide in 2020, 604,000 new cases and 544,000 new deaths were estimated according to the latest data on GLOBOCAN. The standardized incidence and mortality of esophageal cancer in China are 2.1 times higher compared to the global average. The 5-year relative survival is an important and comprehensive indicator that reflects the overall effectiveness of cancer screening and treatment. Period analysis is a method providing timely and accurate assessment of 5-year relative survival because it does not need 5-year followup data from cancer registries. 1 While period analysis has widely been used in Western populations, it has rarely been used in China but was for the first time systematically confirmed in China by our group. 2 Therefore, in this study we aimed at providing the latest data on 5-year relative survival for patients with esophageal cancer in Taizhou, Zhejiang province, China, using period analysis.Taizhou City accounts for approximately 10% of the population of Zhejiang Province, China. Actually, we had full access to data from all nine population-based cancer registries from Taizhou City, Zhejiang Province, China. Data on esophageal cancer patients diagnosed during 2004−2018 and followed up till the end of 2018 were retrieved. Regarding the data quality control, we used the criteria that the proportion of death certificate only (DCO) shall be less than 13%, which indicates good quality of cancer registries as recommended by Brenner. 1 Thereby, five cancer registries with DCO cases higher than 13% were excluded after the aforementioned quality control. Eventually we included esophageal cancer patients diagnosed during 2004−2018 from four cancer registries (Luqiao, Yuhuan, Xianju, and Wenling) that demonstrated highquality data. For detailed information on the methodology please refer to the aforementioned paper from our group. 2 In accordance with the International Classification of Diseases, tenth revision (ICD-10), we used the code C15 to classify cases of esophageal cancer. The flow chart of patient selection was shown in Figure 1A. Eventually, over-This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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confidence: 89%

Timely assessment of 5‐year relative survival of esophageal cancer patients in Taizhou, Zhejiang province

Zhang

Cheng

Jiang

et al. 2023

MedComm

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Use of period analysis to provide a timely assessment of 5-year relative survival for pancreatic cancer patients from Taizhou, eastern China

Lian

et al. 2023

BMC Cancer

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Assessing long-term tumor survival rates is crucial for evaluating the effectiveness of tumor treatment and burden. However, timely assessment of long-term survival in patients with pancreatic cancer is lagging in China. In this study, we applied period analysis to estimate the long-term survival of pancreatic cancer patients using data from four population-based cancer registries in Taizhou city, eastern China. A total of 1121 patients diagnosed with pancreatic cancer between 2004 and 2018 were included. We assessed the 5-year relative survival (RS) using period analysis and further stratified by sex, age at diagnosis, and region. The 5-year RS during 2014–2018 overall reached 18.9% (14.7% for men and 23.3% for women, respectively). A decrease of the 5-year RS from 30.3% to 11.2% was observed in four diagnostic age gradients (< 55, 55–64, 65–74, and > 74 years age groups). The 5-year RS was higher in urban (24.2%) than in rural (17.4%) areas. Moreover, the 5-year RS of pancreatic cancer patients showed an overall increasing trend for the three periods (2004–2008, 2009–2013, and 2014–2018). Our study, using period analysis for the first time in China, provides the latest estimates of the survival of patients with pancreatic cancer, which provides essential evidence for the prevention and intervention of pancreatic cancer. The results also indicate the importance of further applications of the period analysis for more up-to-date and accurate survival estimates.

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Using Period Analysis to Timely Assess and Predict 5-Year Relative Survival for Liver Cancer Patients From Taizhou, Eastern China

Cited by 2 publications

References 33 publications

Timely assessment of 5‐year relative survival of esophageal cancer patients in Taizhou, Zhejiang province

Timely assessment of 5‐year relative survival of esophageal cancer patients in Taizhou, Zhejiang province

Use of period analysis to provide a timely assessment of 5-year relative survival for pancreatic cancer patients from Taizhou, eastern China

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