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.
| Â | 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): | Â | Â |
   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 |