Survival changes in patients with small cell lung cancer and disparities between different sexes, socioeconomic statuses and ages

Abstract Small cell lung cancer (SCLC), as a proportion, makes up only 15–17% of lung cancer cases. The development of treatments for SCLC has remained stagnant for decades, and SCLC is expected to persist as a threat to human health. To date, no publications based on large populations have been rep...

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Main Authors: Shuncong Wang, Jianjun Tang, Tiantian Sun, Xiaobin Zheng, Jie Li, Hongliu Sun, Xiuling Zhou, Cuiling Zhou, Hongyu Zhang, Zhibin Cheng, Haiqing Ma, Huanhuan Sun
Format: Article
Language:English
Published: Nature Portfolio 2017-05-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-017-01571-0
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author Shuncong Wang
Jianjun Tang
Tiantian Sun
Xiaobin Zheng
Jie Li
Hongliu Sun
Xiuling Zhou
Cuiling Zhou
Hongyu Zhang
Zhibin Cheng
Haiqing Ma
Huanhuan Sun
author_facet Shuncong Wang
Jianjun Tang
Tiantian Sun
Xiaobin Zheng
Jie Li
Hongliu Sun
Xiuling Zhou
Cuiling Zhou
Hongyu Zhang
Zhibin Cheng
Haiqing Ma
Huanhuan Sun
author_sort Shuncong Wang
collection DOAJ
description Abstract Small cell lung cancer (SCLC), as a proportion, makes up only 15–17% of lung cancer cases. The development of treatments for SCLC has remained stagnant for decades, and SCLC is expected to persist as a threat to human health. To date, no publications based on large populations have been reported. We calculated survival changes in patients with SCLC during each decade between 1983 and 2012 to determine the roles of race, sex, age, and socioeconomic status (SES) on survival rates based on the Surveillance, Epidemiology, and End Results (SEER) registries. In total, 106,296 patients with SCLC were identified, with the overall incidence per 100,000 decreasing each decade from 9.6 to 7.8 to 5.8. The median survival for SCLC remained 7 months, and the 12-month relative survival rates (RSRs) remained relatively stable at 32.9%, 33.2% and 33.2% during each decade. The 5-year RSRs significantly improved from 4.9% to 5.9% to 6.4% during each decade, but remained extremely low. In addition, a narrowing of the survival gaps among SES groups and stable survival gaps between sexes were observed. Although the incidence of SCLC decreased during each decade, the overall survival remained relatively stable, highlighting the urgency of developing novel treatments and the importance of prevention and early detection.
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spelling doaj.art-e89779411d734d8199d2f1a54c1172c62022-12-21T22:56:12ZengNature PortfolioScientific Reports2045-23222017-05-017111310.1038/s41598-017-01571-0Survival changes in patients with small cell lung cancer and disparities between different sexes, socioeconomic statuses and agesShuncong Wang0Jianjun Tang1Tiantian Sun2Xiaobin Zheng3Jie Li4Hongliu Sun5Xiuling Zhou6Cuiling Zhou7Hongyu Zhang8Zhibin Cheng9Haiqing Ma10Huanhuan Sun11Department of Oncology, The Fifth Affiliated Hospital of Sun Yat-sen UniversityDepartment of Gastroenterology, Cancer Hospital of Jiangxi ProvinceDepartment of Hematology, The First Affiliated Hospital of Sun Yat-sen UniversityDepartment of Respiration, The Fifth Affiliated Hospital of Sun Yat-sen UniversityDepartment of Breast and Thyroid Surgery, The First Affiliated Hospital of Sun Yat-sen UniversityDepartment of Pathology, University of MichiganDepartment of Oncology, The Fifth Affiliated Hospital of Sun Yat-sen UniversityDepartment of Oncology, The Fifth Affiliated Hospital of Sun Yat-sen UniversityDepartment of Oncology, The Fifth Affiliated Hospital of Sun Yat-sen UniversityDepartment of Oncology, The Fifth Affiliated Hospital of Sun Yat-sen UniversityDepartment of Oncology, The Fifth Affiliated Hospital of Sun Yat-sen UniversityDepartment of Oncology, The Fifth Affiliated Hospital of Sun Yat-sen UniversityAbstract Small cell lung cancer (SCLC), as a proportion, makes up only 15–17% of lung cancer cases. The development of treatments for SCLC has remained stagnant for decades, and SCLC is expected to persist as a threat to human health. To date, no publications based on large populations have been reported. We calculated survival changes in patients with SCLC during each decade between 1983 and 2012 to determine the roles of race, sex, age, and socioeconomic status (SES) on survival rates based on the Surveillance, Epidemiology, and End Results (SEER) registries. In total, 106,296 patients with SCLC were identified, with the overall incidence per 100,000 decreasing each decade from 9.6 to 7.8 to 5.8. The median survival for SCLC remained 7 months, and the 12-month relative survival rates (RSRs) remained relatively stable at 32.9%, 33.2% and 33.2% during each decade. The 5-year RSRs significantly improved from 4.9% to 5.9% to 6.4% during each decade, but remained extremely low. In addition, a narrowing of the survival gaps among SES groups and stable survival gaps between sexes were observed. Although the incidence of SCLC decreased during each decade, the overall survival remained relatively stable, highlighting the urgency of developing novel treatments and the importance of prevention and early detection.https://doi.org/10.1038/s41598-017-01571-0
spellingShingle Shuncong Wang
Jianjun Tang
Tiantian Sun
Xiaobin Zheng
Jie Li
Hongliu Sun
Xiuling Zhou
Cuiling Zhou
Hongyu Zhang
Zhibin Cheng
Haiqing Ma
Huanhuan Sun
Survival changes in patients with small cell lung cancer and disparities between different sexes, socioeconomic statuses and ages
Scientific Reports
title Survival changes in patients with small cell lung cancer and disparities between different sexes, socioeconomic statuses and ages
title_full Survival changes in patients with small cell lung cancer and disparities between different sexes, socioeconomic statuses and ages
title_fullStr Survival changes in patients with small cell lung cancer and disparities between different sexes, socioeconomic statuses and ages
title_full_unstemmed Survival changes in patients with small cell lung cancer and disparities between different sexes, socioeconomic statuses and ages
title_short Survival changes in patients with small cell lung cancer and disparities between different sexes, socioeconomic statuses and ages
title_sort survival changes in patients with small cell lung cancer and disparities between different sexes socioeconomic statuses and ages
url https://doi.org/10.1038/s41598-017-01571-0
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