All cases of stroke in Tartu, Estonia, during the period 1991--1993, with follow-up until January 1, 1996.
stroke
A data frame with 829 observations on the following 10 variables.
sex
a factor with levels Female
and Male
.
died
a Date, date of death.
dstr
a Date, date of stroke.
age
a numeric vector, age at stroke.
dgn
a factor, diagnosis, with levels ICH
(intracranial haemorrhage), ID
(unidentified). INF
(infarction, ischaemic), SAH
(subarchnoid haemorrhage).
coma
a factor with levels No
and Yes
,
indicating whether patient was in coma after the stroke.
diab
a factor with levels No
and Yes
,
history of diabetes.
minf
a factor with levels No
and Yes
,
history of myocardial infarction.
han
a factor with levels No
and Yes
, history
of hypertension.
obsmonths
a numeric vector, observation times in months (set to 0.1 for patients dying on the same day as the stroke).
dead
a logical vector, whether patient died during the study.
J. Korv, M. Roose, and A.E. Kaasik (1997). Stroke Registry of Tartu, Estonia, from 1991 through 1993. Cerebrovascular Disorders 7:154--162.