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Table 4 Approaches used for each of the six suspected matches

From: Evaluating the re-identification risk of a clinical study report anonymized under EMA Policy 0070 and Health Canada Regulations

ApproachExternal sourceConfidence scoreConfidence groupReason for confidence score
Social mediaFacebook2LowDate of surgery + location + symptoms + diabetic (inferred)
Social mediaReddit1LowDate of surgery + age + gender + diabetic
Death recordsAncestry.com1LowAge + date of death + ethnicity (inferred) + unknown diabetic status
Death recordsAncestry.com1LowAge + date of death + ethnicity (inferred) + unknown diabetic status
Death recordsAncestry.com1LowAge + date of death + ethnicity (inferred) + unknown diabetic status
Death recordsAncestry.com2LowAge + diabetic (inferred) + details of death + location