Table 3.
First-time hospitalisations for acute myocardial infarction in different subgroups
| City | Cohort | Whole | STEMI | NSTEMI | HTN | Diabetes | Dysrhythmia |
|---|---|---|---|---|---|---|---|
| Calgary | Main | 12 066 (100%) | 4206 (34.9%) | 4834 (40.1%) | 6060 (50.2%) | 2844 (23.6%) | 2127 (17.6%) |
| Male | 8191 (67.9%) | 3009 (24.9%) | 3106 (25.7%) | 3846 (31.9%) | 1858 (15.4%) | 1413 (11.7%) | |
| Female | 3875 (32.1%) | 1197 (9.9%) | 1728 (14.3%) | 2214 (18.3%) | 986 (8.2%) | 714 (5.9%) | |
| Agecat1 | 5330 (44.2%) | 2210 (18.3%) | 1804 (15.0%) | 2240 (18.6%) | 1068 (8.9%) | 585 (4.8%) | |
| Agecat2 | 6736 (55.8%) | 1996 (16.5%) | 3030 (25.1%) | 3820 (31.7%) | 1776 (14.7%) | 1542 (12.8%) | |
| Edmonton | Main | 10 562 (100%) | 3492 (33.1%) | 4754 (45.0%) | 6154 (58.3%) | 2825 (26.7%) | 1935 (18.3%) |
| Male | 6991 (66.2%) | 2446 (23.2%) | 3008 (28.5%) | 3772 (35.7%) | 1773 (16.8%) | 1201 (11.4%) | |
| Female | 3571 (33.8%) | 1046 (9.9%) | 1746 (16.5%) | 2382 (22.6%) | 1052 (10.0%) | 734 (6.9%) | |
| Agecat1 | 4613 (43.7%) | 1813 (17.2%) | 1790 (16.9%) | 2262 (21.4%) | 1039 (9.8%) | 449 (4.3%) | |
| Agecat2 | 5949 (56.3%) | 1679 (15.9%) | 2964 (28.1%) | 3892 (36.8%) | 1786 (16.9%) | 1486 (14.1%) |
Frequency of STEMI and NSTEMI was based on the period 1 April 2002 to 31 March 2010; frequency of other subgroups was based on the period 1 April 1999 to 31 March 2010. Percentages=number of patients in subgroup divided by 12 066 (for Calgary) or 10 562 (for Edmonton).
Agecat1, age <65; Agecat2, age ≥65; HTN, hypertension; NSTEMI, non-ST segment elevation myocardial infarction; STEMI, ST segment elevation myocardial infarction.