Figure 1.

Heart failure diagnoses were found in primary health care register (60%), hospital discharge register (33%), outpatient register (7%) and death register (0.3%). ^aPrevalent is defined as first diagnose date before or at baseline. ^bHeart failure icd-codes = I50, I110, 428, 427.00, 427.10, 434.10, and 434.20. ^cIncident is defined as first diagnose date after baseline. ^dCumulative incidence = number of cases/number of individulas at baseline. ^eIncidence rate = number of cases/total person-years of observation during study. ^fMycardial infarction icd-codes = 121, 410, 410, 420.10, and 420.17.