Two-year lung cancer survival between 2000 to 2020: Results from 3 French nationwide cohorts.
JOURNAL OF CLINICAL ONCOLOGY(2023)
Abstract
8542 Background: Each decade since 2000, the French College of General Hospital Pulmonologists (CPHG) conducts the KBP study, a real-life nationwide prospective multicenter study on LC in non-academic public hospital (NPH). Here, we report the two-year survival (2-y) rate among the 2020 cohort and the comparisons with the 2000 and 2010 cohorts. Methods: Collection of all consecutive diagnosed LC, all stage and all histology, between 01/01 and 12/31 in NPH pulmonology or oncology units in 2000, 2010 and 2020 with the same methodology. A Scientific Committee controlled inclusion exhaustivity and quality in each center. Survival rates were calculated using the Kaplan-Meier method and risk factors were assessed using Cox models. Results: 8,999 patients were included in 82 centers in 2020. The 2-y survival rate was 40.3%, the median overall survival was 15.3 months. Compared to 2000, mortality rates at 2 years decreased significantly (-19.1%), while early (1 month and 3 months) mortality remains similar. Survival improved in 20 years whatever histologic types (Table). Factors associated with 2-y survival were sex (36.1% vs 48.1% respectively for male and female respectively, significantly increased over 20 years: + 15.3% for M and + 24.5% for F), high age (>80 y-o), poor ECOG status (3 or 4) and advanced disease. As expected in 2020, TNM stage was still determining for 2-year mortality, 15.2 [12.6-17.7] stage I vs 75.6 [74.4-76.8] stage IV. In 2020 the Covid-19 infection (n=283) impacted the survival (HR = 4.02 95%CI [3.33-4.86]) on multivariate analysis adjusted to age, sex, tobacco consumption, histology, ECOG status, TNM stage. Conclusions: These results confirmed the major improvement in the last two decades for LC. 5-years survival will provide us more enlightenment. [Table: see text]
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Key words
french nationwide cohorts,lung,cancer,survival,two-year
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