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Excess mortality rate ratios comparing Population 2 to Population 1. (A) 15% missed initial diagnosis, 85% delayed registration (of those initially missed), 10% mis-specified diagnosis date when DCI (bias uniform over 2 years). Traceback from DC allowed. (B) 30% missed initial diagnosis, 90% delayed registration (of those initially missed), 5% mis-specified diagnosis date when DCI (bias uniform over 2 years). Traceback from DC allowed.
