| Code | Display | Definition |
| adverseEvent | adverse event | adverse event. |
| death | death (adverse event) | death (adverse event). |
| notEligible | did not meet eligibility criteria | did not meet eligibility criteria. |
| eligibleButNo | eligible but unwilling or unable to participate | eligible but unwilling or unable to participate. |
| enrolled | enrolled or registered | enrolled or registered. |
| exclusion | exclusion | exclusion. |
| followUpComplete | follow-up complete | follow-up complete. |
| inclusion | inclusion | inclusion. |
| informedConsentSigned | Informed consent signed | Informed consent signed. |
| intOrObsComplete | intervention or observation complete | intervention or observation complete. |
| nonCompliance | non-compliance | non-compliance. |
| preReg | pre-registered or slot reserved | pre-registered or slot reserved. |
| refuseConsent | refuse consent | refuse consent. |
| screenFailure | screen failure | screen failure. |
| studyClosed | study permanently closed to accrual | study permanently closed to accrual. |
| studyTerminated | study terminated | study terminated. |
| subjectRefusal | subject refusal | subject refusal. |
| unwillingOrUnable | unwilling or unable to participate | unwilling or unable to participate. |
| withdrawnConsent | withdrawn consent | withdrawn consent. |