Comorbidities and characteristics of patients hospitalised between June 2005 and May 2009 for acute myocardial infarctions in Finland before and after the law banning indoor smoking in restaurants since June 2007
| Variable | Before June 2007 (n=18 487) | After June 2007 (n=16 400) | p Value |
|---|---|---|---|
| Age | 68.5±11.4 | 68.3±11.3 | 0.187 |
| Female gender | 6491 (35.1%) | 5453 (33.3%) | <0.001 |
| Hypertension | 2869 (15.5%) | 2615 (15.9%) | 0.275 |
| Diabetes | 1630 (8.8%) | 1464 (8.9%) | 0.719 |
| Hypercholesterolaemia | 1435 (7.8%) | 1364 (8.3%) | 0.057 |
| Congestive heart failure | 1985 (10.7%) | 1770 (10.8%) | 0.868 |
| Atrial fibrillation | 1085 (5.9%) | 969 (5.9%) | 0.876 |
| Peripheral arterial disease | 145 (0.8%) | 150 (0.9%) | 0.185 |
| Chronic lung disease | 447 (2.4%) | 357 (2.2%) | 0.134 |
| Chronic kidney disease | 157 (0.8%) | 154 (0.9%) | 0.373 |
| Malignancy | 191 (1.0%) | 169 (1.0%) | 0.980 |
| Prior revascularisation | 666 (3.6%) | 553 (3.4%) | 0.242 |
| Rheumatoid arthritis | 102 (0.6%) | 80 (0.5%) | 0.408 |
| Thyroid disease | 46 (0.2%) | 52 (0.3%) | 0.229 |