Pamela Samson1, Traves Crabtree1, Stephen Broderick2, Daniel Kreisel1, A Sasha Krupnick1, G Alexander Patterson1, Bryan Meyers1, Varun Puri3. 1. Division of Cardiothoracic Surgery, Washington University School of Medicine, St. Louis, Missouri. 2. Division of Cardiothoracic Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland. 3. Division of Cardiothoracic Surgery, Washington University School of Medicine, St. Louis, Missouri. Electronic address: puriv@wudosis.wustl.edu.
Abstract
BACKGROUND: National organizations have recommended quality measures for operations in early-stage non-small cell lung cancer (NSCLC). The outcomes of adherence to these guidelines are unknown. METHODS: Information about patients who underwent an operation for clinical stage I NSCLC was abstracted from the National Cancer Database. After reviewing current guidelines, the following quality measures were selected: anatomic resection, operation within 8 weeks of diagnosis, achievement of negative surgical margins, and sampling of 10 or more lymph nodes. Multivariate models identified variables independently associated with receiving quality measures and a Cox model created to evaluate overall survival. RESULTS: Between 2004 and 2013, 133,026 of 133,366 (99.7%), 126,598 of 133,366 (94.9%), 91,472 of 133,366 (68.6%), and 30,041 of 133,366 (22.5%) patients met one, two, three, or four measures. Income of at least $38,000/year (odds ratio [OR] 1.20, 95% CI: 1.15 to 1.24), insurance type (private insurance: OR 1.22, 95% CI: 1.09 to 1.36; Medicare: OR 1.16, 95% CI:1.04 to 1.30), centers with at least 38 cases/year (OR 1.18, 95% CI: 1.14 to 1.22), academic institutions (OR 1.31, 95% CI: 1.27 to 1.35), and clinical stage IB patients (OR 1.50, 95% CI: 1.40 to 1.60) were more likely to meet all four measures; whereas increasing age (OR 0.99, 95% CI: 0.99 to 0.99), women (OR 0.93, 95% CI: 0.91 to 0.96), non-Caucasian race (OR 0.83, 95% CI: 0.79 to 0.87), and increasing Charlson/Deyo comorbidity score (1: OR 0.90, 95% CI: 0.87 to 0.93; ≥2: OR 0.82, 95% CI: 0.79 to 0.86) were associated with lower likelihood. Pathologic upstaging (hazard ratio [HR] 1.84, 95% CI: 1.78 to 1.89) and meeting all four measures (HR 0.39, 95% CI: 0.31 to 0.48) were most powerfully associated with overall survival. CONCLUSIONS: National adherence to quality measures in stage I NSCLC resection is suboptimal. Guideline compliance is strongly associated with survival, and vigorous efforts should be instituted by national societies to improve adherence.
BACKGROUND: National organizations have recommended quality measures for operations in early-stage non-small cell lung cancer (NSCLC). The outcomes of adherence to these guidelines are unknown. METHODS: Information about patients who underwent an operation for clinical stage I NSCLC was abstracted from the National Cancer Database. After reviewing current guidelines, the following quality measures were selected: anatomic resection, operation within 8 weeks of diagnosis, achievement of negative surgical margins, and sampling of 10 or more lymph nodes. Multivariate models identified variables independently associated with receiving quality measures and a Cox model created to evaluate overall survival. RESULTS: Between 2004 and 2013, 133,026 of 133,366 (99.7%), 126,598 of 133,366 (94.9%), 91,472 of 133,366 (68.6%), and 30,041 of 133,366 (22.5%) patients met one, two, three, or four measures. Income of at least $38,000/year (odds ratio [OR] 1.20, 95% CI: 1.15 to 1.24), insurance type (private insurance: OR 1.22, 95% CI: 1.09 to 1.36; Medicare: OR 1.16, 95% CI:1.04 to 1.30), centers with at least 38 cases/year (OR 1.18, 95% CI: 1.14 to 1.22), academic institutions (OR 1.31, 95% CI: 1.27 to 1.35), and clinical stage IB patients (OR 1.50, 95% CI: 1.40 to 1.60) were more likely to meet all four measures; whereas increasing age (OR 0.99, 95% CI: 0.99 to 0.99), women (OR 0.93, 95% CI: 0.91 to 0.96), non-Caucasian race (OR 0.83, 95% CI: 0.79 to 0.87), and increasing Charlson/Deyo comorbidity score (1: OR 0.90, 95% CI: 0.87 to 0.93; ≥2: OR 0.82, 95% CI: 0.79 to 0.86) were associated with lower likelihood. Pathologic upstaging (hazard ratio [HR] 1.84, 95% CI: 1.78 to 1.89) and meeting all four measures (HR 0.39, 95% CI: 0.31 to 0.48) were most powerfully associated with overall survival. CONCLUSIONS: National adherence to quality measures in stage I NSCLC resection is suboptimal. Guideline compliance is strongly associated with survival, and vigorous efforts should be instituted by national societies to improve adherence.
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