The Statistic Resource does not currently support separate values for number of events and number affected. When both number affected and number of events are needed, for example reporting number of people with asthma exacerbations and number of exacerbations, two different elements are needed. Use numberAffected for the number of items with the same unit of analysis as the numberOfParticipants and knownDataCount in sampleSize. Use numberOfEvents for the number of items with a different unit of analysis than the numberAffected and sampleSize. We want to add Statistic.numberAffected to go alongside Statistic.numberOfEvents, in some situations you would use one over the other, both, or neither.

Changes to make

1. Add Statistic.numberAffected 0..1 unsignedInt
   • short description: "The number of participants affected"
   • definition: "The number of participants affected where the unit of analysis is the same as sampleSize.knownDataCount and sampleSize.numberOfParticipants"
   • comments: "When the number affected is the statistic, use Statistic.quantity and set Statistic.type.coding.code=C25463 and Statistic.type.coding.display=Count. When the statistic is a Proportion, use Statistic.numberAffected and enter an integer as the value. When the statistic is an Event Rate (where individual participants may have 2 or more events), use Statistic.numberAffected to record the number of participants with events rather than the total number of events."
2. Make changes to these columns in Statistic.numberOfEvents
   • short description: "The number of events associated with the statistic"
   • definition: "The number of events associated with the statistic, where the unit of analysis is different from numberAffected, sampleSize.knownDataCount and sampleSize.numberOfParticipants"
   • comments: "When the number of events is the statistic, use Statistic.quantity and set Statistic.type.coding.code=C25463 and Statistic.type.coding.display=Count. When the statistic is an Event Rate (where individual participants may have 2 or more events), use Statistic.numberOfEvents to record the total number of events rather than the number of participants with events."