Association Between Treatment Facility Volume, Therapy Types, and Overall Survival in Patients With Stage IIIA Non-Small Cell Lung Cancer.
JOURNAL OF THE NATIONAL COMPREHENSIVE CANCER NETWORK(2019)
摘要
Background: There is significant heterogeneity in the treatment of stage IIIA non-small cell lung cancer (NSCLC). This study evaluated the therapeutic and survival disparities in patients with stage IIIA NSCLC based on the facility volume using the National Cancer Database. Methods: Patients with stage IIIA NSCLC diagnosed from 2004 through 2015 were included. Facilities were classified by tertiles based on mean patients treated per year, with low-volume facilities treating <= 8 patients, intermediate-volume treating 9 to 14 patients, and high-volume treating >= 15 patients. Cox multivariate analysis was used to determine the volume-outcome relationship. Results: Analysis included 83,673 patients treated at 1,319 facilities. Compared with patients treated at low-volume facilities, those treated at high-volume centers were more likely to be treated with surgical (25% vs 18%) and trimodality (12% vs 9%) therapies. In multivariate analysis, facility volume was independently associated with all-cause mortality (P<.0001). Median overall survival by facility volume was 15,16, and 19 months for low-, intermediate-, and high-volume facilities, respectively (P<.001). Compared with patients treated at high-volume facilities, those treated at intermediate-and low-volume facilities had a significantly higher risk of death (hazard ratio, 1.09 [95% CI, 1.07-1.11] and 1.11 [95% CI, 1.09-1.13], respectively). Conclusions: Patients treated for stage IIIA NSCLC at high-volume facilities were more likely to receive surgical and trimodality therapies and had a significant improvement in survival.
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关键词
cell lung cancer,lung cancer,treatment facility volume,stage iiia non–small
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