Table 6.
Association between adherence to chronic polytherapy and symptom onset (IH-AMI vs OH-AMI), sociodemographics and clinical characteristics
| Category | Subcategory | OR | 95% CI | P value |
| Symptom onset of AMI | OH-AMI | 1.00 | – | – |
| IH-AMI | 0.54 | 0.47 to 0.62 | <0.001 | |
| Gender of patient | Male | 1.00 | – | – |
| Female | 0.75 | 0.71 to 0.79 | <0.001 | |
| Age group (years) | (18–54) | 1.00 | – | – |
| (55–64) | 1.12 | 1.03 to 1.22 | 0.007 | |
| (65–74) | 0.98 | 0.90 to 1.07 | 0.618 | |
| (75–84) | 0.67 | 0.61 to 0.73 | <0.001 | |
| (85+) | 0.40 | 0.35 to 0.44 | <0.001 | |
| Renal disease | No | 1.00 | – | – |
| Yes | 0.58 | 0.53 to 0.64 | <0.001 | |
| Sinoatrial bradycardia | No | 1.00 | – | – |
| Yes | 0.83 | 0.64 to 1.08 | 0.171 | |
| Asthma | No | 1.00 | – | – |
| Yes | 0.51 | 0.37 to 0.69 | <0.001 | |
| ST-elevation AMI | No | 1.00 | – | – |
| Yes | 1.48 | 1.40 to 1.56 | <0.001 | |
| Ongoing concomitant treatments in the 6 months before index admission (no of distinct group of drugs) | (0–1) | 1.00 | – | – |
| (2–4) | 1.05 | 0.98 to 1.13 | 0.147 | |
| (5–7) | 0.92 | 0.84 to 1.00 | 0.055 | |
| (8–10) | 0.90 | 0.81 to 0.99 | 0.046 | |
| (10+) | 0.73 | 0.64 to 0.82 | <0.001 | |
| E-B drugs use in the 6 months before index admission (at least one prescription) | No | 1.00 | – | – |
| Yes | 1.57 | 1.47 to 1.67 | <0.001 | |
| Mental disorders | No | 1.00 | – | – |
| Yes | 0.72 | 0.63 to 0.82 | <0.001 |
AMI, acute myocardial infarction; E-B, evidence based; IH-AMI, in-hospital acute myocardial infarction; OH-AMI, out of hospital acute myocardial infarction.