4.2　Audit process of registration data

After receiving cancer registration data, HNCCR checks the data's completeness firstly.IARC/IACR check software can be used to determine whether all the variables are complete and valid.The internal logical consistency of the dataset is also checked.HNCCR further generates a unified form, and we assess the integrity and reliability of the registration data with the use of data analysis software and database software.Then, the local registries revise the cancer datasets following the evaluation report till it is satisfied with the requirements.Qualified cancer datasets are pooled together for Henan provincial annual cancer report analysis.(Figure 2-2)

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图2-2　登记资料的审核流程图