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Table 1 Characteristics of a patient population aged 45 to 84 years admitted to the Swedish hospitals from 1993 to 1996 for first-time acute myocardial infarction (AMI), who survived the first 28 days after admission.

From: The association between socioeconomic position, use of revascularization procedures and five-year survival after recovery from acute myocardial infarction

  Men Women
Number of patients 30,366 16,041
Number of deaths during 5-year follow-up after surviving 28 days 8,577 5,194
Number of person years 124,888 64,149
Deaths per 1,000 person years (95% confidence interval) 69 (67–70) 81 (79–83)
Age in years (median, 1st to 3rd quartiles) 69 (61–76) 74 (67–79)
Revascularization within 1 month after the AMI (n; %) 1,014 (3.3) 357 (2.2)
Percentage of patients with previous hospitalizations (ICD codes):   
   Cancer (140–239) 7 9
   Diabetes (250) 6 10
   Hypertension (401–405) 7 10
   Angina pectoris and other ischemic heart disease (413–414) 15 17
   Cerebrovascular disease (430–438) 7 8
   Diseases of the respiratory system (460–519) 9 10