Survival analysis of young adults from a Brazilian cohort of non-small cell lung cancer patients

被引:2
|
作者
Nicolau, Jessica Silva [1 ]
Mendoza Lopez, Rossana Veronica [1 ]
de Moraes Luizaga, Carolina Terra [2 ]
Ribeiro, Karina Braga [3 ]
Roela, Rosimeire Aparecida [1 ]
Maistro, Simone [1 ]
Hirata Katayama, Maria Lucia [1 ]
Mendonca Natalino, Renato Jose [1 ]
de Castro Jr, Gilberto [1 ]
Neto, Jose Eluf [2 ,4 ]
Azevedo Koike Folgueira, Maria Aparecida [1 ]
机构
[1] Univ Sao Paulo, Inst Canc Estado Sao Paulo ICESP, Hosp Clin HCFMUSP, Fac Med, BR-01246000 Sao Paulo, SP, Brazil
[2] Fundacao Oncoctr Sao Paulo FOSP, BR-05409012 Sao Paulo, SP, Brazil
[3] Fac Ciencias Med Santa Casa Sao Paulo, BR-01238010 Sao Paulo, SP, Brazil
[4] Univ Sao Paulo, Dept Med Prevent, Fac Med, BR-01246903 Sao Paulo, SP, Brazil
来源
ECANCERMEDICALSCIENCE | 2021年 / 15卷
关键词
lung carcinoma; non-small cell lung cancer; young adult; survival; clinical features; EPIDEMIOLOGY; SURVEILLANCE; MUTATIONS; MORTALITY;
D O I
10.3332/ecancer.2021.1279
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Background: The influence of age at diagnosis in non-small cell lung cancer (NSCLC) prognosis is unclear. Objectives: To compare in a Brazilian cohort of NSCLC patients of different age groups: 1) The overall survival; 2) Clinical features and treatment options. Methods: This is a retrospective cohort study using a hospital-based registry, for NSCLC patients registered in years 2000-2009. Patients were grouped into three age groups: Young adults (YA: < 40 years), middle-aged (MA: 40-64 years) and elderly (E: >= 65 years). Kaplan-Meier was used to estimate overall survival and Cox regression for hazard ratios (HRs) and 95% confidence intervals. Results: 17,422 NSCLC patients were included: 370 YA (2.1%), 8,697 MA (49.9%) and 8,355 E (48.0%). Compared with older age groups, the YA group had a higher proportion of females, patients diagnosed with adenocarcinoma and metastatic disease (63.2%). Overall survival was longer in YA in the entire cohort and in all clinical stages (CSs) (p < 0.001). For YA, higher education level was a good prognosis factor (compared with illiterate and incomplete elementary); advanced or metastatic disease (compared with early-stage disease) and treatment based in radiotherapy or chemotherapy (CT) (without surgery), compared with treatment combinations with surgery, were poor prognostic factors. Young men (but not women) had lower HR of death compared with older groups; YA had lower HR of death in all CSs compared with patients from older groups. A higher percentage of YA were treated with surgery or CT in early-stage disease compared with older groups. Besides that, YA and MA patients treated with surgery or CT had a better prognosis than elderlies. Conclusions: In this Brazilian cohort of NSCLC patients, most young individuals were diagnosed with metastatic disease. YA presented longer survival than older age groups in all CSs, but mainly in CS I/II and III, where some patients may achieve long remissions or cure.
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页数:15
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