for example , total creatine kinase was requested five times less often per patient in the british hospital than in the canadian unit in cases of confirmed myocardial infarction ( 2.17 and 10.17 , respectively ; p less than 0.0001 ) : the difference was much less , but still significant , when there was no infarction ( 2.01 and 3.55 ; p less than 0.0001 ) .
C0027051
myocardial infarction
C0021308
infarction