Time to diagnosis varied significantly by cancer stage. Of these, 1496 (51.1%) were documented in LTR and their clinical pathway to diagnosis was further studied. ResultsĪ total of 30,559 potentially eligible patients were identified and 2929 (9.58%) had primary lung cancer. The Kaplan-Meier product limit method was used to estimate the time from index date to diagnosis by stage in lung cancer cohort. Patient characteristics and health services utilization rates by cancer stage were reported as frequency distributions. Data from Ochsner Health System and Tulane Medical Center were linked to Louisiana Tumor Registry (LTR), a statewide population-based cancer registry, for analysis of patient’s clinical pathways between July 20. REACHnet is one of 9 clinical research networks (CRNs) in PCORnet®, the National Patient-Centered Clinical Research Network and includes electronic health records for over 8 million patients from multiple partner health systems. Linked data from an electronic medical record and the Louisiana Tumor Registry were used in this investigation. The first cohort consists of patients with a confirmed diagnosis of lung cancer while the second consists of patients with a solitary pulmonary nodule (SPN) and no evidence of lung cancer. This research describes the clinical pathway and characteristics of two cohorts of patients.
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