| • Check that blank data fields are confirmed as intentionally blank to indicate that information is not available in the participant’s chart |
| • Check that any dates that are entered occur within a reasonable time frame (e.g., dates should not occur in the future) |
| • Check that participant data are recorded in chronological order |
| • Follow up with centre regarding any extreme values that could represent a data entry error |
| • Check to ensure correct organization of information (i.e., data entered in correct data field and in the correct format) |
| • Check that organization of data in clinical database follows expected workflow at that centre (i.e., order of events is reasonable and appropriate) |
| • Ensure appropriate unit conversion, if applicable |
