afib_cat: Afribrillation (1.Afib=Definite Afribrillation, 2.History of=History of Afibrillation, 3.Possible=Possible afibrillation)

mi_cat: Myocardial Infarction (1.MI=Definite myocardial infarction), 2.History of= History of mycocardial infarction, 3.Possible=Possible myocardial infarction)

mi_type: Type of Myocardial infarction – stemi or nonstemi

stroke_diag_cat: 

ua_cat: Unstable Angina (1. Unstable angina=definite Unstable Angina, 3.History of= History of Unstable Angina, 4. Possible unstable= Possible Unstable Angina)

hfcat: Heart failure (1.Heart failure=definite, 2.History of=history of heart failure, 3.Possible=possible heart failure,  4.Prevalent=prevalent heart failure)

catrevascularisation=revasculation procedure 

hist_poss_flag= flag for history of or possible codes

other_exc_flag=flag for other exclusion codes.