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Table 1 Data sources used for cancer and death notification in UKCTOCS

From: Completeness and accuracy of national cancer and death registration for outcome ascertainment in trials—an ovarian cancer exemplar

Data sources for cancer and death notification
National electronic health-related dataset sources
 Cancer registry
 Death registry
 Hospital Episode Statistics (for women resident in England 2001–2012)
 National Cancer Intelligence Network (NCIN) dataset
Postal follow-up questionnaires
Direct communication from participants or their relatives
Information on trial case record forms/trial teams