Start a conversation

Collecting data

  • How can I verify data in Castor?

    It is possible to add/manage the types of data verification in the study settings. 'Source data verification' and 'Other' are provided by default, and the verification types used in the study may be c...

  • Can I change the values for missing data?

    To define data as missing, use the cogwheel to select the option 'user missing' and from the provided list, indicate the reason why the data is missing.  Here are the default values / reasons you can ...

  • Where can I review the audit trail?

    In Castor, almost all actions performed by users are tracked.  It is possible to review what each user did in any field. In the record data entry view, clicking the cogwheel next to the field and sele...

  • Can I sort the reports in a certain order?

    Yes - reports can be sorted via the column label e.g. 'Created on'. Clicking in the column header will sort the reports - one click will sort to ascending and to change the order to descending, click ...

  • How do I input a number with a decimal?

    Castor EDC uses the decimal point (dot). Decimal commas should not be used, i.e. instead of 3,14 use 3.14....

  • What is the maximum length of text and multline text fields?

    The maximum length for text field and multiline text field is 4196 characters:...

  • Fill in report forms for a record

    Reports can be used to register data that does not fit in the standard research protocol. A report can for instance be used to register adverse events or non-scheduled hospital visits. You can view th...

  • How can I enter data in Castor?

    Data entry in Castor is simple to do. You will need access to the study before you can view records and enter data.  For guidance on performing data entry in Castor, see the helpdesk article - Doing d...

  • Can I enter a time using the exact minutes instead of quarter hour intervals?

    Yes - Castor gives the option to choose the time from a dropdown menu showed in quarter intervals. It is possible to use an exact timestamp by manually entering the time in the field. The time must be...

  • Can I gather data for multiple research centers?

    Castor supports multiple center studies in which several institutes can contribute to a study. For guidance on adding institutes to a study, see the manual article: Settings....