Table 4

Hospital discharge codes in those with false-positive self-reported myocardial infarction and stroke. The SAMINOR 1 Survey (2003–2004) and the CVDNOR project.

Self-reported and registered events (ICD-9; ICD-10)n
Myocardial infarction73
 Angina pectoris (411, 413; I20)43
 Other ischaemic heart diseases (412, 414; I24–I25)6
 An ischaemic heart diseases event24
Stroke/brain haemorrhage79
 Transient ischaemic attack (435.9; G45.9)7
 Other cerebrovascular diseases (432–433, 435, 437–438; I65–I69)12
 Not a cerebrovascular disease event60
  • CVDNOR, Cardiovascular Disease in Norway; ICD-9, International Classification of Diseases, Ninth Revision; ICD-10, International Classification of Diseases, Tenth Revision.