Abbreviations:SURPAS (Surgical Risk Preoperative Assessment System), ACS (American College of Surgeons), NSQIP (National Surgical Quality Improvement Program), ICC (intraclass correlation coefficient), ASA (American Society of Anesthesiologists), VASQIP (Veterans Administration Surgical Quality Improvement Program), CPT (Current Procedural Terminology), RVU (Relative Value Unit), ThORN (Thoracic Surgery Outcomes Research Network), RedCap (Research Electronic Data Capture), VATS (Video Assisted Thoracic Surgery), IRR (Incidence Rate Ratio), CI (Confidence Interval), IQR (Interquartile Range)
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Funding: This work was supported by an internal grant from the Department of Surgery, University of Colorado School of Medicine. The funding organization had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Conflicts of Interest: The authors report no conflicts of interest. The authors of this manuscript and the developers of SURPAS have no financial interests in SURPAS. The ACS-NSQIP and participating hospitals are the source of these data; they have not verified and are not responsible for the statistical validity of the data analysis or the conclusions derived by the authors.