The registry of the International Society for Heart and Lung Transplantation: thirty-first official adult heart transplant report--2014; focus theme: retransplantation.

Data are submitted to the International Society for Heart and Lung Transplantation (ISHLT) Registry by national and multinational organ and data exchange organizations or by participating individual centers. Since the Registry inception, 416 heart transplant centers, 241 lung transplant centers, and 168 heart-lung transplant centers have reported data to the registry. We estimate that data submission to the Registry represents approximately 66% of worldwide thoracic transplant activity. This report used standard statistical methodology for analyses and reporting. Where appropriate, a more detailed explanation about the analytic methodology accompanies the Web site slides (in the “Notes Page” view). To assess time-to-event rates (e.g., survival), this report used the