{"denomUnitsSelected":"Participants","description":"Associations between biomarkers and overall survival or progression-free survival will be examined in a Cox proportional hazards model that includes significant prognostic variables based on prior research such as performance status, prior cisplatin therapy, and stage of disease. Logistic regression will be used to help assess the value of biomarkers in predicting response to a particular treatment or determine associations with response.","reportingStatus":"NOT_POSTED","timeFrame":"Up to 5 years","title":"Number of CTCs","type":"OTHER_PRE_SPECIFIED"}