Paper form vs electronic data entry
•paper forms are available in the OR,
•fast and easy for the surgeons
•bar codes for implants
•electronic data entry in hospitals 
•hospitals have different PAS and OR databases
•difficult to make a program compatible with these
•difficulties with maintenance of implant databases locally
•data quality ? correct registration of implants might be difficult
–web based reporting  --  present situation:
•log on with a password needed
•systems are not compatible: double registration of patients’ ID and data from operations
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