TROMSO_STR3_EXIT

Name: STR3_EXIT

Description and values:

STR3_EXIT is the date of exit from the follow-up of likely haemorrhagic stroke.

Local variable explanation:

DIAGHEMO: Diagnose of haemorrhagic stroke (1=definite)

DATOHEMO: Date of diagnose of haemorrhagic stroke

FLYTTEDATO: Date of relocation from town/municipality

DATE_T4: Date of examination

DATO_DOD: Date of death

SAS code:

If DIAGHEMO = 1 and (sign(DATOHEMO -'31dec2010'd)=1 or sign(DATE_T4 - DATOHEMO)=1) then do;

DIAGHEMO=.;

DATOHEMO=.;

end;

IF DIAGHEMO = 1 and sign(DATOHEMO-FLYTTEDATO)=1 then do;

STR3_EXIT=FLYTTEDATO;

end;

ELSE IF DIAGHEMO = 1 and .<(DATO_DOD -DATOHEMO)<=28 then do;

STR3_EXIT=DATOHEMO;

end;

else if DIAGHEMO = 1 then do; 

STR3_EXIT=DATOHEMO;

end;

else do;

STR3_EXIT=min(FLYTTEDATO,dato_dod,'31dec2010'd);

end;

NSWEDEN_STR3_EXIT

Please contact us for a description of this variable.

MORGAM_STR3_EXIT

This was obtained from the MORGAM derived variable STRDATE5 by converting the latter to the CHANCES date format.

If STRDATE5 = 88888888 or 99999999, CONTACT_DATE is coded for STR3_EXIT.