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. 2023 Jul 10;23(1):642.
doi: 10.1186/s12885-023-11119-3.

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

Ye Lu  1   2 , Min He  2 , Liyou Lian  3 , Huijun Lei  1 , Yongran Cheng  4 , Liangyou Wang  5 , Tianhui Chen  6   7   8 , Jinfei Chen  9
Affiliations

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

Ye Lu et al. BMC Cancer. .

Abstract

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.

Keywords: 5-year relative survival; Cancer registration; Eastern China; Pancreatic cancer; Period analysis.

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Conflict of interest statement

The authors declare no competing interests.

Figures

Fig. 1
Fig. 1
Five-year relative survival for total, male and female pancreatic cancers in 2004–2008, 2009–2013, and 2014–2018
Fig. 2
Fig. 2
Five-year relative survival of pancreatic cancers for different ages at diagnosis in 2004–2008, 2009–2013, and 2014–2018
Fig. 3
Fig. 3
Five-year relative survival of pancreatic cancers for urban and rural areas in 2004–2008, 2009–2013, and 2014–2018
See this image and copyright information in PMC

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