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Explaining Unmatched Cases
- Manual Review of 300 "children" whose HL7 messages did not match a newborn screen
- 200 "junk" messages
- E.g., did not contain PID and NK1 segments
- 70 messages could be manually linked to an infant with a newborn screen
- Matching algorithm needs refining
- 30 appear not to have had a newborn screen
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