"deregistration date" is correct and usable in written English.
It is usually used to refer to the date on which someone no longer has to follow certain laws or regulations, such as when a business is deregistered from a certain authority. An example sentence could be: "The deregistration date for our business was last month, so we no longer have to abide by the old regulations."
Patients who didn't die or have cardiovascular disease were censored at the earliest date of deregistration with the practice, last upload of computerised data, or the study end date (30 April 2010).
We censored patients at the earliest date of the diagnosis of interest, death, deregistration with the practice, last upload of computerised data, or the date the study ended (31 December 2008).
Patients were censored at the earliest date of the diagnosis of cancer, death, deregistration with the practice, last upload of computerised data, or the study end date (1 October 2013).
We censored patients at the earliest date of a diagnosis of venous thromboembolism, death, deregistration with the practice, last upload of computerised data, five years after study entry, or the study end date (30 April 2010).
Patients were censored at the earliest date of a stroke or transient ischaemic attack, death, deregistration with the practice, last upload of computerised data, or the study end date (1 August 2012).
These patients were censored at the earliest date of the diagnosis of interest, first statin prescription, death, deregistration with the practice, last upload of computerised data, or date at end of study.
Patients will be followed up until the earliest of: death; deregistration with the practice; last upload of computerised data; 1 year from the date the study inclusion period ended.
We censored patients at the earliest date of the first upper gastrointestinal haemorrhage or intracranial haemorrhage, death, deregistration with the practice, last upload of computerised data, three months after their last prescription for anticoagulants (if applicable), five years after their study entry date, or the study end date (1 October 2013).
The overall life expectancy of Norwegian registered passenger cars is 17.8 years, as reckoned in the BIG model, or roughly 16.5 years as counted from the date of first registration to the date of scrapping, export or final deregistration.
We used each of the data sources separately and together to identify incident myocardial infarction, ending the follow-up period for a patient on the date of their first myocardial infarction during the study period, death, or deregistration from the general practice.
Patients were censored at the earliest date of the following: the first emergency hospital admission in the study period, death, deregistration with the practice, last upload of computerised data or the study end date (31 December 2011).
